You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: I want to cancel my recent reservation due to heavy sunny at my destination place, so help me.

ASSISTANT: Sure, On what name you made a reservation earlier?

USER: Sure, my name is Angela Miller.

ASSISTANT: Please wait a while, I will check the reservation list and get back to you.

USER: Sure.

ASSISTANT: Thanks for your time, no reservation was found on the name Angela Miller in our database.

USER: No problem, thanks for your support.

ASSISTANT: Thank you for opting us.