You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what help do you need from us?

USER: Actually my Dancing Competition is postponed so that I want to cancel my recent reservation, can you help me?

ASSISTANT: Yes, I will help you.

USER: Ok.

ASSISTANT: Can I have your full name to check your previous reservation?

USER: Sure, I am Jennifer Evans.

ASSISTANT: Ok, please wait a minute, I will check whether your name is there in reservation list or not.

USER: Ok, take your own time.

ASSISTANT: I am happy  to inform you Jennifer Evans, I found a reservation with your name in the list. Successfully, I have cancelled your previous reservation.

USER: Oh! that's great. Thank you for spending your valuable time.

ASSISTANT: It's my pleasure to help you. Thank you for communicating with our services.

USER: You are welcome.