You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I oblige you today?

USER: I am Janet Harris.

ASSISTANT: Ok.

USER: I am planning to book a ticket from DFW to MCO. Can you please help me out?

ASSISTANT: Sure, could I have your journey dates, please?

USER: I am planning to travel on Dec 24 and return back on Dec 26.

ASSISTANT: May I know your class preference?

USER: No.

ASSISTANT: Will you please let me know your depart and arrival timings?

USER: My return time should be morning.

ASSISTANT: Is there any other specifications?

USER: I am looking for a connecting flight..

ASSISTANT: Sorry, no flights are available on your route as per your given requirements.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for opting us.