You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you for the day?

USER: I am Andrew Adams. I would like to change my reservation as I am leaving for hometown, can you please help me out?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, there is no reservation found on your name.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you.