You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Kimberly Walker.

ASSISTANT: How may I assist you today?

USER: Would it be possible to change my reservation to new locations?

ASSISTANT: I am here to help you, please wait for a while.

USER: Take your time.

ASSISTANT: I could not find any reservation with your name.

USER: It's ok, thanks for checking.

ASSISTANT: My pleasure.