You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: James Anderson here.

ASSISTANT: How may I help you?

USER: I would like to book a ticket to Washington to visit Olympic National Park, so please help me in booking a ticket from BOS to IAD.

ASSISTANT: Sure, on which dates you are planned to travel?

USER: The travelling dates are from 10/05 to 10/07.

ASSISTANT: Thank you, please wait for a moment.

USER: Ok.

ASSISTANT: I have found a flight-1002 of AA airlines, shall I proceed?

USER: Please proceed booking my ticket.

ASSISTANT: Sure, your ticket has been booked. Have a safe journey.

USER: Thank you for your help.

ASSISTANT: Welcome.