You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carol Moore.

ASSISTANT: How can I serve you today?

USER: I planned a trip to Seattle, but I want to change my reservation due to financial issues. Can you help me?

ASSISTANT: Sure, I will assist you.

USER: Ok.

ASSISTANT: Sorry to inform there is no reservation done on your name according to our records.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for availing our service.