You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I amend you today?

USER: Please make a reservation with the name Stephanie Campbell?

ASSISTANT: Sure, we are glad to aid you. To proceed with further booking I need your airport codes.

USER: I am planning to go to my friend's house warming at Orlando FL-MCO, I want to start from Detroit MI-DTW.

ASSISTANT: When did you schedule your trip?

USER: I have scheduled  to start on 06/25, my return date will be 06/27.

ASSISTANT: Please, stay online.

USER: Sure.

ASSISTANT: Thanks for your time. There is no flight running to your destination.

USER: Its ok, I will consult other agency in booking my flight ticket.

ASSISTANT: Thank you for opting us.

USER: Thank you.