You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you with today?

USER: I am looking to change the destination airport code because the meeting point was changed. Can you please help me to change the details?

ASSISTANT: Sure, could you please help me with your name?

USER: Sure, my name is Daniel Nelson.

ASSISTANT: Thank you for it.

USER: It's ok.

ASSISTANT: I regret that there is no flight reservation done on your name.

USER: It's ok, not a problem with that. Anyways thank you for checking my ticket status.

ASSISTANT: Thank you for understanding, have a great day.

USER: You are welcome.