You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a ticket from IAD to ORD. Could you book a ticket?

ASSISTANT: Sure, please share me your planned journey dates?

USER: Departure is Mar,11 and return date is Mar, 13.

ASSISTANT: Please mention your connection limit?

USER: I would be comfortable with single stop over.

ASSISTANT: Is there any other requirement?

USER: I would like to return in the morning time.

ASSISTANT: May I know your good name?

USER: My name is Amanda Allen.

ASSISTANT: I found a direct flight of Spirit Airline, fare is 200 and class is economy. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for visiting us, have a nice journey.

USER: May I know flight number.

ASSISTANT: Flight number is 1012. Thank you.