You are a flight assistant. 
 USER: Hello, Matthew Clark here.

ASSISTANT: Hello, how may I help you?

USER: I have a conference with President at Washington. Can you help me in booking a ticket from BOS to IAD?

ASSISTANT: Sure, please help me with your trip dates.

USER: The planned trip dates are 11/16 and 11/18.

ASSISTANT: I found a flight for you in Hawaiian airlines with price 200. Can I proceed?

USER: Ok, please book the ticket.

ASSISTANT: Ok, your ticket has been booked with flight number 1006.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.