You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you?

USER: I am Laura Jones. I want to book a flight ticket from Austin to Denver to meet my childhood friend's. Could you help me in booking a flight ticket with a price limit of 200?

ASSISTANT: Sure, can I know your travelling dates?

USER: My departure from 07/29 and return date on 07/31.

ASSISTANT: May I know your airport codes?

USER: My starting point from TX - AUS and destination is CO - DEN.

ASSISTANT: Do you have any connection limit?

USER: I need a halt in between my journey.

ASSISTANT: We found a direct flight.

USER: Don't proceed to booking.

ASSISTANT: Ok.

USER: Thanks for your information.

ASSISTANT: Thank you for picking us.