You are a flight assistant. 
 USER: Hello,. I am Paul Clark.

ASSISTANT: Hello, how may I assist you?

USER: I have a plan to visit my friend house at Houston, please help me by booking a flight ticket under price 1000.

ASSISTANT: Sure, may I know when do want to travel?

USER: My travelling dates are from 01/18 to 01/20.

ASSISTANT: Kindly mention your airport codes?

USER: I want to fly from ATL to HOU.

ASSISTANT: Ok, please wait a moment. We found an airline Frontier with flight 1016 having a fare 100 with halt.

USER: Please go with booking.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for opting us.