You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you help me in booking the flight ticket from PHL to DEN?

ASSISTANT: Sure, may I know the planned travel dates?

USER: My preferable journey dates are Jan 25 and Jan 27.

ASSISTANT: May I know the specifications to be met for this journey?

USER: I prefer connecting flight for this trip.

ASSISTANT: Please provide me the name.

USER: My name is Alexander Lee.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 100. Shall I proceed in booking?

USER: Please reserve my ticket in this flight.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1002 in JetBlue Airlines.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.