You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how best can I guide you today?

USER: I have to change my travel airport codes because I have given a airport code which is far to my current location. So, I need your help. Will you please help me in changing the details?

ASSISTANT: Sure, please share your good name?

USER: I am Pamela Green.

ASSISTANT: Please hold a moment.

USER: Sure.

ASSISTANT: Thank you for sharing your good name, there is no active reservation found with the given name.

USER: That's ok, not a problem, thank you.

ASSISTANT: Thank you.