You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Jonathan Roberts here. I want to travel from TX-HOU on 06/21 for attending a Shuttle tournament. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you in booking. May I know your destination airport code and return date?

USER: My return journey is on 06/23 and destination airport code is TX-IAH. Make sure my connections limit is 1.

ASSISTANT: Yes, I found a flight for you with 1 connection. Shall I proceed for booking?

USER: Please proceed for booking the ticket.

ASSISTANT: Your ticket is booked with flight number 1025 and airline is Southwest.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.