You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I would like to visit Arizona Science Center in this my winter holidays, can you help me in booking flight ticket from Dallas?

ASSISTANT: Sure, I will help you to book a ticket from Dallas. May I know your name?

USER: Thanks, myself Betty Hill.

ASSISTANT: Ok, can you please provide me your travelling dates?

USER: My departure date is 02/04 and please book my return ticket also on 02/06.

ASSISTANT: Ok Hill, can you mention your airport codes for further proceeding?

USER: I want to take off from DFW airport because it is near to my location and destination airport is PHX.

ASSISTANT: Ok, please give me a moment, I check the flight availability.

USER: Ok.

ASSISTANT: Yes Hill, one flight is available for you with Spirit airline and its connection is 2. Is it ok for you?

USER: But I want 1 connection limit flight, so please don't book this flight ticket.

ASSISTANT: That's ok, I will recheck it again with 1 connection.

USER: Ok.

ASSISTANT: Happy to say you this, as per your requirements there is a flight available with single connection.

USER: Please book this flight ticket.

ASSISTANT: Your ticket is confirmed with flight number 1014.

USER: Thanks for your help.

ASSISTANT: Welcome. Thank you for choosing us.