You are a flight assistant. 
 USER: Hi, I would like to book a reservation on the name of Robert Wilson.

ASSISTANT: Hello. Sure, we are here to hep you. Can you please provide your journey details?

USER: My journey route will originate from TX - IAH on Apr 30 and destine to DC - IAD on May 2.

ASSISTANT: OK, Thanks for your information.

USER: And please make sure the price limit should be within 500 with one connection.

ASSISTANT: Sure. Please wait for a moment, I will check the details of flight and get back to you.

USER: Sure.

ASSISTANT: Thanks for your patience. Sorry, we have a direct flight.

USER: No problem, you can proceed for booking.

ASSISTANT: Sure. The flight details are as follows, Flight number:1026, airline: Southwest, price:100, connection:0. Can I proceed for booking?

USER: Yes, please.

ASSISTANT: OK, The ticket has been booked. Thanks for choosing us.

USER: Thank you.