You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am Rachel Young, I would like to change my existing reservation. Can you help me out of it?

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: There is no reservation found on this name, do you want to make a new booking from us?

USER: No I don't want to book any thing right now.Ok, thank you for the information.

ASSISTANT: Ok fine. Its my pleasure.