You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Can you help me in doing a reservation from IAD to BOS?

ASSISTANT: Sure, will you mention your travelling dates please?

USER: My trip dates are Aug 07 to 09.

ASSISTANT: Do you have any preferences about flight connections?

USER: I need a single connecting flight.

ASSISTANT: Do you have any preferences about class?

USER: I prefer economy class.

ASSISTANT: Please mention your name.

USER: Andrew Scott here.

ASSISTANT: The United airlines providing an economy class flight with price 200 and the connections 1. Shall I confirm your ticket?

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket is booked. The flight number is 1014.

USER: Thank you.

ASSISTANT: Welcome, have a great day.