You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for 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: I am here to help you in changing your reservation.

USER: Thank you.

ASSISTANT: Can you please provide the name on which you have done your reservation?

USER: Sure, I am Michelle Scott.

ASSISTANT: Sorry for the trouble which is caused to you Michelle Scott, I have not found any reservation on your name in our database.

USER: Ok, not an issue. Thank you for the information.

ASSISTANT: You are welcome, thank you for reaching us. Hope you have a nice day ahead.