You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Jerry Wilson.

ASSISTANT: What can I do for you today?

USER: I do not want to travel in this week, can you help me to change my reservation?

ASSISTANT: Sure Jerry, please allow me a moment to check.

USER: Sure, take your time.

ASSISTANT: Sorry Jerry, no reservation found on your name, I think your previous reservation is not confirmed.

USER: Oh! that's fine. Thank you for your help.

ASSISTANT: Do you want any other help?

USER: No. Thank you for asking.

ASSISTANT: Ok, thank you for approaching us, hope you will reach in future.