You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I  assist you?

USER: I want to cancel my reservation as my farewell got cancelled. Can you help me?

ASSISTANT: Sure. May I know your name?

USER: I am Barbara Wilson.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thanks for being waiting,We didn't found any reservation by this name.

USER: That's Ok, thanks for your response.

ASSISTANT: Thank you for choosing us.