You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to travel from DFW to IAD. Can you help me to book a flight ticket?

ASSISTANT: Sure, I am here to help you with that, can I know your good name to proceed further?

USER: Helen Taylor.

ASSISTANT: May I know on which dates you are willing to travel?

USER: I want to travel in the flight on Mar 11 and Mar 13.

ASSISTANT:  Is there any other preferences that you would like to add before booking?

USER: I want to have a connection of 1.

ASSISTANT:  Is there any other criteria?

USER: No.

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

USER: Proceed to booking.

ASSISTANT: Your ticket has been reserved with the flight- 1012 in Frontier airlines.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.