Here you have 38 easy dialogues in English, lots of different situations to learn or practise.

1_Good morning. - How are you? : 00:05
2_Nice to meet you. - I'm great. : 00:45
3_What's this? - What's that? : 01:36
4_Who is he? - Who is she? : 02:48
5_Whose bike is this? - What a nice bike! : 04:02
6_Happy birthday! - This is for you. : 04:52
7_How old are you? - I'm five years old. : 06:20
8_I like soccer. - Let's go! : 07:13
9_Do you like cheese? - Do you like ham? : 08:20
10_Do you have crayon? - You're welcome. : 09:50
11_How many bears? - Three bears. : 10:53
12_How much is it? - I want it. : 12:08
13_It's snowing. - Do you like snow? : 13:21
14_What color is it? - It's red. : 14:35
15_It's green and white. - It's raining. : 15:21
16_What does she look like? - She has short curly hair. : 16:05
17_Watch out! - Are you okay? : 17:07
18_What’s wrong? - I have a toothache. : 17:53
19_What's your favorite subject? - My favorite subject is P.E. : 18:41
20_What a wonderful! - What a nice day! : 19:46
21_What a big tree! - Don’t touch that! : 20:47
22_Let's go camping. - Let’s go fishing. : 21:53
23_Wash your hands. - Let's eat pizza! : 23:04
24_Put on your coat. - It's cold and windy. : 24:16
25_Put on your pants. - Is this yours? : 23:44
26_May I take your order? - I'd like a pizza and spaghetti. : 23:32
27_Where is it? - Go straight. : 26:12
28_Where is the post office? - Go straight. : 27:02
29_Where is the restroom? - Go straight and turn left. : 27:48
30_Where is my cap? - Where is it? : 28:41
31_Where is my pencil? - It's on the chair. : 29:24
32_What time is it? - Time for breakfast. : 30:02
33_Time for lunch. - What time is it? : 30:59
34_What are you doing? - I'm jumping. : 31:46
35. What are you doing? - I'm making cookies. : 33:16
36_What's he doing? - He's dancing. : 34:23
37_What did you do? - We went to the park. : 35:11
38_How was your summer vacation? - It was great. : 36:25