You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Help me in booking a flight from DCA to LGA?

ASSISTANT: Could you please provide your travel dates?

USER: My travelling dates are June 13 to 15.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I prefer connecting flight.

ASSISTANT: Is there any airline preference?

USER: No.

ASSISTANT: Do you have any preference?

USER: No.

ASSISTANT: Can I know your name?

USER: I am Carolyn Taylor.

ASSISTANT: Found ticket with Frontier airlines for price 200 having flight number 1018. Shall I book a ticket?

USER: Proceed for booking.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.