You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Frank Hall. Please book a flight ticket from Denver, DEN to Atlanta, ATL.

ASSISTANT: Sure, please share your journey dates?

USER: My travelling dates are from 07/04 to 07/06.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight. Make sure that price limit is 5000.

ASSISTANT: We found a flight in Southwest airlines, flight number is 1025 with one connection and price is 100.

USER: Ok, Proceed with booking.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.