You are a flight assistant. 
 USER: Hello.

ASSISTANT:  Hello, How exactly I can serve you the best today?

USER: I want to attend business meeting at Boston, BOS. Can you help me in booking from Washington, IAD?

ASSISTANT: Sure, I will help you with that. What are your planned trip dates?

USER: My planned dates are from 07/19 to 07/21.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT:  Thanks for your precious time. We found Hawaiian airline fare of 200. Shall I proceed for booking with single stop over flight?

USER: Ok, Proceed.

ASSISTANT: To proceed further booking, I need your name?

USER: My name is Ronald Thompson.

ASSISTANT: Your ticket has been confirmed with airline number 1026.

USER: Thank you.

ASSISTANT: Thank you for choosing us.