You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I guide you today?

USER: I am Jessica Scott. I want to book a flight ticket to visit Private Rocky Mountain National Park In Denver. Can you book a flight ticket for me within the price of 500?

ASSISTANT: Sure, we are happy to help you. May I now your journey dates?

USER: My journey dates on 01/25 to 01/27.

ASSISTANT: Ok, Is there any connection limit?

USER: I need a connected flight.

ASSISTANT: Ok.

USER: My airport codes are ATL - DEN.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thanks for being patient, we found a UA airline with the fare of 100 with a single connection.

USER: Ok, please proceed with the booking.

ASSISTANT: Ok, the booking has been done with 1016 UA airline.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.