You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I want to cancel my reservation, because I have exams on that dates, so me and my friends are decided to cancel this trip, can you help me in cancelling reservation?

ASSISTANT: Sure, Let me know your name?

USER: Sure, my name is Joseph Young.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: There is no reservations found on your name. Thanks for connecting us.

USER: Oh It's ok no problem. Thank you for your information.