You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER:  My name is Dennis Jackson. I would like to book a ticket from IAD to ORD, to attend a conference.

ASSISTANT: Sure, I am here to help you with that booking. May I know your journey dates, please?

USER: My travel dates are as follows, Feb 16 and Feb 18.

ASSISTANT: Do you have any airline preference?

USER: I have no airline preferences.

ASSISTANT: May I know your connection limit?

USER: Yes,  I would like to board on single connection flight.

ASSISTANT: Do you have any class preference?

USER: I have no class preferences.

ASSISTANT: May I know your departure and return time?

USER: I would like to depart in the afternoon.

ASSISTANT:  Dennis Jackson, I have found a flight-1015 with single connection limit and the ticket fare is 100. Shall I proceed with booking?

USER: Sure, proceed for booking.

ASSISTANT: Your booking is done in economy class, the depart time is 13:00 PM.

USER: Thank you very much for the help.

ASSISTANT: Thank you for approaching us, have a safe journey.