You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am planning to attend Boston BOS from New York EWR. Can you find a flight ticket for me?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: Thank you. My planned trip dates are on June 27 and return on June 29.

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

USER: I need a single connecting flight.

ASSISTANT: May I know your class preference for this trip?

USER: No, but I want a normal cost flight.

ASSISTANT: May I know your good name please?

USER: I am Donna Moore.

ASSISTANT: Delta Airlines is providing connecting flight on this route with a ticket fare of 200 and flight departs at 21:00PM and arrives at 21:00PM, shall I book your ticket in this flight?

USER: Ok, you can proceed with the ticket booking.

ASSISTANT: Donna Moore, your ticket is booked in economy class of flight number 1002.

USER: Thank you for your help.

ASSISTANT: You are welcome and have a safe journey.