You are a flight assistant. 
 USER: Hi, I am Christopher Thomas.

ASSISTANT: Hello, Christopher Thomas. How can I serve you now?

USER: I have heard that the Art competition is going to be held at Orlando, so please help me in booking a flight from DTW to MCO.

ASSISTANT: Ok. Your travelling dates please?

USER: I am planning to start on 01/11 and intend to return on 01/13.

ASSISTANT: Let me know your preferences, if you have?

USER: I need a halt in between my journey.

ASSISTANT: Thanks for your details. Sorry to inform you, currently no flights are running at that location.

USER: That's Ok, thanks for your service.

ASSISTANT:  You have an offer for your current journey i.e., 30% discount on your another journey with our airlines. Use it for next time. Thank you.

USER: That's great.