You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Timothy Scott.

ASSISTANT: Yes, Scott.

USER: I want to change my reservation, can you help me with that?

ASSISTANT: Sure, please be on hold. There is no reservation found under your name in our database.

USER: That's ok.

ASSISTANT: Thank you for choosing us.

USER: Thanks for your information.