You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking the flight ticket from DCA to BOS?

ASSISTANT: Sure, may I know your travel dates?

USER: Dates are May 02 and May 04.

ASSISTANT: Noted. May I know your name?

USER: Elizabeth White.

ASSISTANT: Thank you. Do you have any connection limit preference for this trip?

USER: Connected flight required.

ASSISTANT: There is a flight having single connection with UA Airlines and the ticket fare is 100 only in economy class. Flight departs at 1:00 hours and arrives at 19:00 hours. Shall I book the ticket for you?

USER: Proceed to book it. Thanks for booking.

ASSISTANT: Your ticket is booked and your flight number is 1002.

USER: Thank you.

ASSISTANT: You are most welcome.