You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Patrick Robinson need to book a ticket to DC-IAD from MA-BOS, can you please help me in booking?

ASSISTANT: Ok, may I know your travelling dates?

USER: My travel dates are from Apr 03 to Apr 05.

ASSISTANT: Ok, do you have any other requirements?

USER: I need a connecting flight.

ASSISTANT: Ok, here is a flight ticket with fare 100 and 1017 as flight number in business class provided by American Airline. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.