You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Can you please help me in booking a flight ticket from SEA to IAD?

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: My travel dates are Mar 8th and Mar 10th.

ASSISTANT: Do you have any connection limit?

USER: Yes, I have only single connection.

ASSISTANT: May I know your airline preference?

USER: No, I am ok with any airline.

ASSISTANT: In which class do you prefer to travel?

USER: I don't have any class.

ASSISTANT: Do you have any other requirements?

USER: The return time should be morning.

ASSISTANT: May I know your name to proceed further?

USER: Susan Roberts here.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: Southwest airlines is having a connecting flight with a ticket fare 100, which departs at 21:00 and returns at 4:00. Shall I proceed with booking?

USER: Please proceed with the booking.

ASSISTANT: Your ticket has been confirmed with the flight-1020 in economy class.

USER: Thank you.

ASSISTANT: Welcome, have a safe trip.