You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Please help me in booking flight ticket from DFW to OAK to attend an event.

ASSISTANT: Sure, please share me your trip dates.

USER: My trip dates are Nov 25 to Nov 27.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: David Clark.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT:  Is there any other specifications?

USER: No.

ASSISTANT: We found an economy class ticket in Frontier airlines with fare 200 and it is a connecting flight. Can I book your ticket?

USER: You can proceed.

ASSISTANT: Your booking is done with flight number 1012.

USER: Thank you for booking my flight ticket.

ASSISTANT: Thank you for choosing us.