You are a flight assistant. 
 USER: Hello, myself Amanda Edwards.

ASSISTANT: Hello, how can I help you?

USER: I want o change my destination airport code in my existing reservation, can you please help me out?

ASSISTANT: Sure, I am here to assist you.

USER: Thanks.

ASSISTANT: Please wait for a while.

USER: Ok, take your time.

ASSISTANT: Thanks for your time, there is no reservation found in your name to change.

USER: It's ok, thank you for the information.

ASSISTANT: Thank you for choosing us.