You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. Can you please let me know what help do you need from our agency?

USER: Please help me to book a flight ticket from PHX to DEN.

ASSISTANT: Sure, I can help you to reserve a flight ticket. May I know your itinerary dates please?

USER: My journey dates are from July, 15 to July, 17.

ASSISTANT: Ok, please tell me your full name to proceed further.

USER: Jerry Robinson.

ASSISTANT: What is the maximum connection limit do you prefer?

USER: I need  a single connecting flight.

ASSISTANT: Ok, which class do you choose either an economy class flight or a business class flight?

USER: I am happy with any class.

ASSISTANT: Ok, please let me check the flights in this route.

USER: I prefer to depart in the evening.

ASSISTANT: The flight-1029 is available in this route which is departing in the evening time and returning in the afternoon time. Are you fine with this flight to travel?

USER: Please proceed.

ASSISTANT: I reserved a seat for you in the Hawaiian Airlines which is having a single connection limit and the ticket cost is 200. Have a nice journey ahead.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.