You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I have some personal matters that need fixing so I need to change an existing reservation. Can you please help me in that?

ASSISTANT: Sure, May I know your name?

USER: My name is Timothy King.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: There was no reservations find on your name. Thanks for choosing us.

USER: That's not a problem. Thank you.