You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please help me in booking the flight ticket from IAD to OAK?

ASSISTANT: Sure, can you please let me know your trip dates?

USER: My travel dates are Nov 15 and Nov 17.

ASSISTANT: Would you like to fly with connecting flight or direct flight?

USER: I prefer connecting flight.

ASSISTANT:  Is there any other preferences that you would like to add before booking?

USER: No.

ASSISTANT:  If you can help me with your name, I can check with the availability of flights.

USER: I am Jessica Lee.

ASSISTANT: There is a flight in Frontier airlines with the ticket price of 100 having one connection and economy class. Can I proceed to booking?

USER: Please proceed to book my flight ticket in this airlines.

ASSISTANT: Your booking is confirmed and the flight number is 1001.

USER: Thank you.

ASSISTANT: Thank you for reaching us.