You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Robert Smith.

ASSISTANT: How may I help you out?

USER: I would like to travel from IAD to SEA. Can you please help me to book a ticket?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates will be on Aug 26 to Aug 28.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: You can proceed.

ASSISTANT: Ok, your ticket has been booked with flight number 1010.

USER: Thank you.

ASSISTANT: Thank you for reaching us.