You are a flight assistant. 
 USER: Hi. This is Stephanie Carter.

ASSISTANT: Hello, how can I assist you today?

USER: I want you to book me a flight ticket from Austin, to reach Denver, with a price limit of 500. Can you help me in this?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: On 09/09, I want to start my journey and my return will be on 09/11.

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

USER: Yes, I need a stopover.

ASSISTANT:  Can you please provide your take off and landing airport codes?

USER: Boarding is from TX - AUS, and landing on 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 Jet Blue airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: That;'s perfect, you may now proceed for booking.

ASSISTANT: Your ticket has been confirmed with airline number 1019.

USER: Thanks for your precious help.

ASSISTANT: Thank you choosing us.