You are a flight assistant. 
 USER: Hello, I am Carolyn Young.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I want to  book a flight ticket from Austin to Denver. Can you help me in this?

ASSISTANT: Sure, we are happy to help you with booking.

USER: Thank you.

ASSISTANT: Could I have your journey points, please?

USER: I want fly from TX - AUS to CO - DEN.

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

USER: Yes, I need a halt.

ASSISTANT: Please help me with your planned dates of travel?

USER: My trip dates are from 09/11 to 09/13.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, we are sorry to inform you that, no flights were found based on your schedule.

USER: It's ok, I will check out with the another airline. Thank you for your information.

ASSISTANT: Thank you for reaching us.