You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: May I know your planned trip dates?

USER: Departure is by Mar, 22 and return date is Mar, 24.

ASSISTANT: Is there any concern with connecting flight to travel?

USER: I would be comfortable with single stop over.

ASSISTANT: Do you have any other preferences?

USER: No, thanks for asking.

ASSISTANT: Please share your name to proceed further?

USER: My name is Brandon Parker.

ASSISTANT: There is a flight with the price of 200 having one connection and economy class. Can I proceed to booking?

USER: Please book a ticket.

ASSISTANT: Ok, your ticket is reserved in an economy class and the flight number is 1004.

USER: May I know airline?

ASSISTANT:  Your ticket is booked with United Airlines.

USER: Thank you.

ASSISTANT: Thank you for choosing us.