You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I be of your assistance today?

USER: I need to book a flight ticket with the name Ruth Roberts, can you book a ticket with price under 1000?

ASSISTANT: Sure, Can you forward your travelling dates?

USER: Yes, my preferred journey dates are 12/09 and 12/11.

ASSISTANT: Please share your airport codes.

USER: I would like to travel from Charlotte, NC-CLT as I want to attend bio science event which is held at Austin, TX-AUS.

ASSISTANT: Wait for a while I will check and revert you back.

USER: Ok.

ASSISTANT: Thanks for waiting. There is flight with Spirit airlines with a connecting flight and price is 100. Shall I reserve your ticket?

USER: Please proceed with this booking.

ASSISTANT: Your ticket has been reserved for 1009 of Spirit airline.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.