You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Nicholas Phillips.

ASSISTANT: How can I assist you today?

USER: I need to book a flight ticket from BOS to IAD, Can you please help me for booking?

ASSISTANT: Sure, I can help you with that. May I know your planned travel dates please?

USER: I would like to travel on 07/15 to return on 07/17.

ASSISTANT: Ok, do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Fine, please wait for a while.

USER: Sure.

ASSISTANT: American airlines is providing a flight on that route with ticket fare of 400 and 1 connection, shall I proceed for booking?

USER: Ok, proceed for booking.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1004, have a safe journey.

USER: Thanks for your information.

ASSISTANT: Thank you for choosing us.