You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please book a flight ticket from DCA to BOS?

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

USER: Thank you. I have planned my travel dates as Nov 09 and Nov 11.

ASSISTANT: Do you have any other specifications?

USER: I would prefer single connecting flight.

ASSISTANT: Do you have any preferences?

USER: No.

ASSISTANT: I have found an economy class ticket with a price of 100 and 1 connection.

USER: That is fine, please proceed with booking.

ASSISTANT: Can I know your name for booking?

USER: Sure, myself Jonathan White.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.