You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: I want to attend Sports festival at Austin, can you please book a ticket?

ASSISTANT: Sure, I am glad to help you with booking. Please share me your planned journey dates?

USER: My planned dates are from 06/16 to 06/18.

ASSISTANT: Do you need a halt in between the journey?

USER: I need a halt in between my journey.

ASSISTANT: May I know your source and destination airport codes?

USER: My source is at Houston, TX-IAH and destination is at Austin, TX-AUS.

ASSISTANT: Please mention your budget for flight ticket?

USER: My budget limit is 5000.

ASSISTANT: Please hold for a while, please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for holding, I found a flight of airline Delta, flight number is 1002 and fare is 200. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been booked on flight 1002.

USER: Thank you.

ASSISTANT: Thank you for reaching us, have a nice journey.