You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Will you please help me to reserve a ticket from IAD to reach Orlando?

ASSISTANT: Sure, can you please share your journey dates?

USER: I have scheduled my trip dates on Dec 1st to 3rd.

ASSISTANT: May I know your name please?

USER: Sure, Katherine Young is my name.

ASSISTANT: Is there any connection limit in your journey?

USER: Yes, I prefer a single connection.

ASSISTANT: Are there any more specifications?

USER: No.

ASSISTANT: We found a United airlines, flight number 1003, and the fare 200 in economy class. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your ticket has been reserved with connecting flight.

USER: Thank you.

ASSISTANT: Thank you for approaching us.