You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Could you please book a flight ticket from BOS to DCA as I need to attend a music festival?

ASSISTANT: Yes, can you tell me your travelling dates?

USER: My travelling dates are Nov 11 and Nov 13.

ASSISTANT: Do you have any preferences?

USER: I need a single connecting flight.

ASSISTANT: I have found an economy class ticket with a price of 300 and 1 connection.

USER: Ok, proceed with the booking.

ASSISTANT: Can I know your name for booking?

USER: My name is Mary Jackson.

ASSISTANT: Your ticket has been booked.

USER: Thank you for the help.

ASSISTANT: Thank you for contacting us.