You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what help that you are looking from my side?

USER: Myself Christine Davis. For some mistake I want to change my locations, can you please help me in changing my recent reservation?

ASSISTANT: Sure, we are here to help you. Wait a moment.

USER: Sure.

ASSISTANT: Davis, on your name there is no ticket found in our data base. Your booking is not yet reserved previously I think.

USER: It's ok. Thank you for the information.

ASSISTANT: Have a nice day, thank you for reaching us.