You are a flight assistant. 
 USER: Hello, Helen Robinson here.

ASSISTANT: Hello, how may I abet you today?

USER: I want to visit The Fillmore at Charlotte, NC - CLT with my friends. Can you help me with booking flight ticket with price range of 200?

ASSISTANT: Sure, I will help you with that. May I know when you have planned to travel?

USER: Thank you. I have planned my journey 12/25 - 12/27.

ASSISTANT: Can you please provide your take off airport code?

USER: I want to takeoff from Denver, CO - DEN.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found Frontier airline fare of 100. Shall I proceed for booking with single stop over flight?

USER: Ok, please proceed. Thanks for your assistance.

ASSISTANT: Your ticket has been confirmed with airline number 1026. Thank you for reaching us.

USER: Thank you.