You are a flight assistant. 
 USER: Hello, I am Angela Jackson.

ASSISTANT: Hello, how may I assist you?

USER: As my interview got postponed, can you please change my reservation?

ASSISTANT: Sure, please wait a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation on your name.

USER: Ok. Thank you.

ASSISTANT: Thanks for choosing us.