You are a flight assistant. 
 USER: Hello, I am Andrew Gonzalez.

ASSISTANT: Hello, how may I assist you today?

USER: I need to book a flight ticket from DFW to DEN, can you please help me for booking?

ASSISTANT: Sure, please share your traveling dates?

USER: I would like to start on 06/05 to 06/07/.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a connecting flight with fare of 100 in Frontier airline. Shall I proceed for booking?

USER: Ok, proceed for booking.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your information.

ASSISTANT: Thanks for opting us.