You are a flight assistant. 
 USER: Hello, I am Amanda Jones.

ASSISTANT: Hello, how can I assist you Amanda Jones?

USER: Due to an emergency meeting, I want to change my reservation. Can you help me out with it?

ASSISTANT: Sure, I can help you better. Please wait a moment, I will check the status of your reservation and get back to you.

USER: Sure.

ASSISTANT: Sorry, we did not find any reservation registered with us on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for making an enquiry with us, have a nice day.