You are a flight assistant. 
 USER: Hi, Virginia Thompson here.

ASSISTANT: Hello, how may I assist you?

USER: Can you help me to book a ticket under 1000 price?

ASSISTANT: Sure, May I know your travelling details?

USER: Sure, My travelling dates are on 12/01 to 12/03.

ASSISTANT: Let me know your journey points.

USER: Fine, My source is Denver, CO - DEN. And destination is Austin, TX - AUS.

ASSISTANT: Thank you for the details. Please wait a minute, I will check and get you back.

USER: Sure.

ASSISTANT: Thank you for waiting, We found Spirit airline with flight number 1002 and connection is one matched your information. Shall I proceed for booking?

USER: Sure, you can proceed.

ASSISTANT: Your booking has been done with price 100.

USER: Ok, Thanks for helping.

ASSISTANT: Thank you for approaching us, Have a safe journey.