You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you at this moment?

USER: Please book a flight ticket from DFW to IAD?

ASSISTANT: Sure, may I know your start and end dates of your journey?

USER: My journey dates are Dec 03 and Dec 05.

ASSISTANT: Do you need a stop over in between the journey?

USER: I need a connecting flight.

ASSISTANT: Ok, can I know your good name please?

USER: I am Jennifer Scott.

ASSISTANT: DO you have any other preferences?

USER: I prefer a return flight time at morning.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: We found a Spirit Airlines with fare of 200 and a lay by in between the journey matches your schedule.

USER: Please proceed with my booking.

ASSISTANT: Your ticket has been confirmed with flight number 1005.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.