You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: Larry Williams here. I want to travel from ORD to SFO for attending a meeting. Can you please help me for booking the flight ticket?

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

USER: My departure date is 11/16 and return date is 11/18.

ASSISTANT: Ok, please wait a moment.

USER: Ok, I will wait.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed with this flight?

USER: Please proceed for booking the ticket.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing our services.