You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Jacob Barker. I am planning to book a ticket from DCA to MSP. Can you please help me out?

ASSISTANT: Sure, can you please provide your travel dates?

USER: I would like to travel on Dec 08 and return back on Dec 10.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your class preference?

USER: No, my depart time should be evening.

ASSISTANT: Ok, which airlines do you prefer?

USER: I am ok with any airline.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: UA airlines is providing you a flight with a ticket fare 700, which departs at 2:00 AM and return at 2:00 AM, shall I proceed with booking?

USER: That's fine, please proceed the booking.

ASSISTANT: Your ticket is confirmed with the flight-1028 in business class.

USER: Thank you for your service.

ASSISTANT: Welcome, have a safe journey.