You are a flight assistant. 
 USER: Hello, I am Justin Garcia.

ASSISTANT: Hello, how can I serve you today?

USER: I am planning to go for long drive with my valentine on valentines day.

ASSISTANT: Ok.

USER: Can you please book a flight ticket to Dallas & Fort Worth, DFW?

ASSISTANT: Sure. How much you can afford for this journey?

USER: I can afford up to 200.

ASSISTANT: Help me with your trip dates.

USER: My preferable dates of journey is 02/13 to 02/15.

ASSISTANT: Kindly, mention your source code to check the flight.

USER: I would like to board from New York, LGA.

ASSISTANT: Please, wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patience. I am here to inform you that, there is a flight with airline: UA, flight number:1002, price 100, 1 connection. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for assisting me.

ASSISTANT: Thank you, have a good day.