You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I want to book a ticket from BOS to DFW. Could you book a ticket?

ASSISTANT: Sure, can you share me your trip dates?

USER: Depart is by Nov, 21 and return date is Nov, 23.

ASSISTANT: Do you have any connection limit?

USER: I would be comfortable with single stop over.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: My name is Donald Lee.

ASSISTANT:   Here, I found a flight for you with 1 stopover in economy class and it costs you 200. Can I proceed?

USER: Please book a ticket.

ASSISTANT: Your ticket has been reserved with the flight- 1008.

USER: May I know airline?

ASSISTANT: I booked in Southwest Airline.

USER: Thank you.

ASSISTANT: Thank you for reaching us.