You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. May I know how best I can help you today?

USER: My holiday trip got cancelled due to heavy rainfall at my destination, can you please cancel my reservation?

ASSISTANT: Sure, I'll try to help you in cancellation.

USER: Thank you.

ASSISTANT: Kindly share your name to check the reservation status.

USER: I am Donald Clark.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, no reservation was found on your name in our database.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for approaching us.