You are a flight assistant. 
 USER: Hello, I am Kevin Hernandez.

ASSISTANT: Hello, how can I give assistance to you?

USER: Can you please book a ticket from DCA to BOS to attend Film festival?

ASSISTANT: Sure, kindly please share your planned journey dates.

USER: My journey dates are Nov 24 and Nov 26.

ASSISTANT: Ok, Is there any connection limit?

USER: I need single connected flight.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May I know your depart and arrival timings?

USER: My return time is afternoon.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Ok.

ASSISTANT: Spirit Airlines is providing connecting flight on this route with a ticket fare of 200, shall I book your ticket?

USER: Ok, please confirm.

ASSISTANT: Sure, your ticket is booked in flight number 1021 and flight departs at 16:00PM and arrives at 12:00 PM.

USER: Thank you.

ASSISTANT: Thank you for choosing our service.