You are a flight assistant. 
 USER: Hello. This is Jessica Evans.

ASSISTANT: Hello, how may I serve you at this moment?

USER: I want to cancel my reservation due to heavy rainfall at my departure airport. Can you help me with that?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please be on hold for some time.

USER: Sure.

ASSISTANT: Sorry to notify that, we couldn't find any reservation against your name.

USER: No problem. Thank you for helping me.

ASSISTANT: Thank you for opting us, have a nice day.