You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Anthony Martin. I want to go for a round trip to  Houston to enjoy the winter season. Can you help me with booking a flight ticket?

ASSISTANT: Ok, on what dates would you like to visit Houston?

USER: My preferred dates are from 12/12 to 12/14. My airport code is TX-HOU.

ASSISTANT: Thanks for the journey details. Please wait for a moment, while I Search for the flight.

USER: Ok.

ASSISTANT: Thanks for waiting, there is one flight found on your journey details. The airline is of Delta, flight number is 1020. Fare for Delta is 300 and connection limit is 1. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Ok. Your ticket has been booked on flight 1020.

USER: Thank you for your help.

ASSISTANT: Thank you, have a nice winter trip.