You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jock Robinson.

ASSISTANT: How can I assist you?

USER: I would like to change my existing reservation to new locations, can you help me out?

ASSISTANT: Sure Jack, please wait a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: It's ok, thanks for checking my status.

ASSISTANT: Thank you for approaching us.