You are a flight assistant. 
 USER: Hello, I am Frank Martin.

ASSISTANT: Hello, how can I assist you?

USER: I have planned to attend a comic show but it was cancelled due to heavy rainfall from couple of days. Would it possible to cancel my recent reservation?

ASSISTANT: Sure, I will help you. Please wait a moment, I will check the availability and revert you.

USER: Sure.

ASSISTANT: I have checked all the reservation list but I can not find your name in the list.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for choosing us, have a nice day.