You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Susan Harris. I want to attend for a family function in IAD. Can you please make a reservation from ORD?

ASSISTANT: Sure, may I know your preferred dates.

USER: Sure, my travelling dates are from Feb 2 to Feb 4.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Can I know your connection limit?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other specifications so I can check with that?

USER: Yes, my return time must be in the afternoon.

ASSISTANT: Please allow me a moment.

USER: Sure.

ASSISTANT: Thank you for waiting. I found a flight with 1 connection in Hawaiian Airlines and the airfare is about 100. Shall I proceed in booking with flight number 1004?

USER: Ok, please proceed.

ASSISTANT: Your ticket is booked which departs during 20:00 Pm and arrives by 12:00 Pm.

USER: Thank you.

ASSISTANT: Thank you for choosing our agency.