You are a flight assistant. 
 USER: Hello, I am Christine Johnson.

ASSISTANT: Hello, how can I abet you?

USER: I want to cancel my recent reservation due to heavy floods. Can you help me out?

ASSISTANT: Sure. Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: Ok, No problem. Thank you.

ASSISTANT: Thank you for approaching us.