You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: I am Elizabeth Harris. I want to change my reservation, due to financial issues, can you help me?

ASSISTANT: Sure, I am happy to help you with that. Please be hold on for a moment to check your reservation status.

USER: Sure.

ASSISTANT: Sorry Elizabeth Harris, no reservation has found under your name to change.

USER: That's ok, thank you for opting us.

ASSISTANT: Most welcome. Thank you for choosing us, have a great day.