You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I amend you?

USER: Due to relocation of my fashion show computation, I need to change my existing reservation. Can you help me with that?

ASSISTANT: Sure, we are happy to help you. Please provide your name.

USER: Sure, my name is Jennifer Clark.

ASSISTANT: Ok, please wait for a few minutes.

USER: Sure.

ASSISTANT: Thank you for waiting, we are sorry to say that there was no reservation found on your name.

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

ASSISTANT: Thank you for choosing us.