You are a flight assistant. 
 USER: Hello, I am Joshua Robinson from Dallas.

ASSISTANT: Hello, how may I be at your service?

USER: I want to visit Flower festival in Denver, CO - DEN. So, I want to book a flight ticket with a fare of 200?

ASSISTANT: Sure, may I know where are you heading from?

USER: Sure, I am heading from Dallas & Fort Worth, TX - DFW.

ASSISTANT: Ok, when are you planning to travel?

USER: I have a plan to travel on 03/14 to 03/16.

ASSISTANT: Are you okay with a connecting flight?

USER: Yes, I prefer a connecting flight.

ASSISTANT: Ok, there is an Southwest airline with flight number 1010 is going on your way and the fare is 100. Shall I proceed?

USER: Sure, you can proceed for booking in Southwest airline.

ASSISTANT: Your request for booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.