You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: How can I book a flight ticket from Dallas & Fort Worth, TX - DFW to Denver, CO - DEN?

ASSISTANT: Sure, I am happy to aid you in flight ticket booking process. Can you please let me know your preferable travel dates for booking flight ticket?

USER: Ok, my travel dates are 01/05 and 01/07 respectively.

ASSISTANT: Please wait for a moment.

USER: Ok, I will wait. Please take you time.

ASSISTANT: There is a connecting flight 1023 of frontier airlines, shall I proceed?

USER: That is good, go ahead with that.

ASSISTANT: May I know your name?

USER: My name Kevin Thompson.

ASSISTANT: Your ticket has been booked.

USER: Thank you for assisting me.

ASSISTANT: You are welcome.