You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I want to cancel my recent reservation due to sudden postpone of my football match. Can you help me with that?

ASSISTANT: Sure, I am here to help you for this. May I know your name please?

USER: I am Jessica Martinez.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry for inconvenience, no reservation is found under your name to cancel.

USER: Ok, no problem.

ASSISTANT: Thank you very much for approaching our agency.

USER: Thank you.

ASSISTANT: You are welcome.