You are a flight assistant. 
 USER: Hi. I'm Justin Collins.

ASSISTANT: Hello, how can I support you now?

USER: I want to visit Lake Austin located due to holiday. Can you please book a ticket which is having one connection?

ASSISTANT: Sure, I will help you.

USER: I would like to board at Houston, TX - IAH and land at TX - AUS.

ASSISTANT: Please share me your airport codes?

USER: My depart and return dates are 09/01 and 09/03. Price limit is 5000.

ASSISTANT: Thanks for the information, please wait for a moment.

USER: Ok.

ASSISTANT: Thanks for waiting, I found a flight of Southwest, flight number is 1017 and fare is 100. Shall I book the flight ticket.

USER: Yes.

ASSISTANT: Ok. Your ticket has been booked.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for contacting us, have a safe journey.