You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I need to book a flight ticket from BOS to DCA. Please help me in that.

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: My travel dates are from Feb, 09 to Feb, 11.

ASSISTANT: May I know your name?

USER: Gregory Walker.

ASSISTANT: Do you have any specifications?

USER: I need a single connecting flight.

ASSISTANT: Is there any preferences?

USER: No.

ASSISTANT: Here, there is a flight with 1 connection in Frontier airlines and price is 100. Shall I book?

USER: Please proceed.

ASSISTANT: Ok, your ticket has been booked with the flight 1011.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.