You are a flight assistant. 
 USER: Hello,. I am Rachel King.

ASSISTANT: Hello. How can I aid you?

USER: I would like to change my recent reservation, which is reserved on my name. Can you help me with that?

ASSISTANT: Sure, We are here to help you.

USER: Thank you.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thanks for your time. We didnt found any reservation by this name.

USER: Oh! I think it does not reserved properly. Anyway, thanks for your effort.

ASSISTANT: Thank you for contacting us.