You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to visit Washington to meet my best friend, can you help me to book a flight ticket from BOS to DCA?

ASSISTANT: Can I know your travelling dates?

USER: My trip dates are 27 to 29 of Oct.

ASSISTANT: Do you need any connection limit?

USER: I am looking for a single connection limit.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: I am Christopher Thompson.

ASSISTANT: Spirit Airlines is providing direct flight on this route with a ticket fare of 100 and flight departs at 15:00 hours and arrives at 8:00 hours, shall I book your ticket in this flight.

USER: Please proceed to booking.

ASSISTANT: Your ticket is confirmed in flight 1003.

USER: Thank you.

ASSISTANT: Thank you for opting us.