You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you please help me to travel from DEN to BOS?

ASSISTANT: Sure, can you please mention your preferable travel dates?

USER: My travelling dates will be on May 2 to May 4.

ASSISTANT: May I know your name for further process?

USER: Gary Wilson here.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: No.

ASSISTANT: Do you have any limits on number of connections?

USER: I would like to travel in a connecting flight.

ASSISTANT: Do you have any another specifications?

USER: No.

ASSISTANT: Ok, please hold on a moment, I will check flight availability in this route.

USER: Sure.

ASSISTANT: Southwest airline flight available with connection limit 1 and fare is 200, shall I confirm this economy class flight?

USER: You can proceed to booking.

ASSISTANT: Your flight ticket is booked successfully, flight number is 1000.

USER: Thank you.

ASSISTANT: You are welcome Gary Wilson.