You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Ok, please provide your good name.

USER: Sure, my name is Alexander Mitchell.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, There was no reservation found on your given name.

USER: That's Ok, thank you.

ASSISTANT: Thank you for choosing us.