You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Jason Miller.

ASSISTANT: Good morning Jason. How can I help you?

USER: I want to travel from Dallas & Fort Worth to Denver.

ASSISTANT: Sure, could you please provide the city codes?

USER: It is from DFW to DEN.

ASSISTANT: OK, could you please provide your travel dates?

USER: And the journey dates are from 05/15 to 05/17.

ASSISTANT: OK, please wait a moment.

USER: OK fine.

ASSISTANT: Thanks for waiting, there is a flight 1002 in airline Spirit having 1 connection and price is 200. Shall I proceed with your booking?

USER: Sure, proceed booking my ticket.

ASSISTANT: OK Miller, your booking is done. Have a great journey!.

USER: Thank you for your help.