You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you at this moment?

USER: I have to change my ticket reservation that I am unable to do it from my home, can you please help me in changing my ticket reservation?

ASSISTANT: Yes, I am here to help you with that. Can you please provide your name for checking active reservations under your name?

USER: Sure, my name is Jason Phillips.

ASSISTANT: Sorry to say Phillips, I have not found any reservations under your name in our database.

USER: Ok, that's fine, no issues with that one, thank you for your help.

ASSISTANT: Most welcome, hope you have a great day ahead.