You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid for today?

USER: My holiday trip has been postponed. So, I would like to cancel my recent reservation which is under my name.

ASSISTANT: Sure, may I know your name for finding a reservation?

USER: Sure, my name is Sharon Smith.

ASSISTANT: I am sorry no reservation found on your name.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Thank you for using our service.

USER: You are welcome.