You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you today?

USER: To have a phoenix hot air balloon ride, I want to book a ticket to Phoenix, PHX under the price limit of 500. Will you aid me in this booking on 01/13?

ASSISTANT: Sure, may I know your good name please?

USER: Kevin Thomas is here.

ASSISTANT: Where will you start your journey?

USER: Return date is on 01/15. Source point is Las Vegas, LAS.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: T^hanks for waiting, we found a connecting flight under fare of 200 in Southwest airline. Shall I proceed for booking?

USER: Yes, you can.

ASSISTANT: Your ticket has been booked with in flight number 1004.

USER: Thank you for aiding me.

ASSISTANT: Thanks for availing us, have a safe journey.