You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am James Hill.

ASSISTANT: How may I help you out?

USER: Can you please book a flight ticket from OAK to ORD?

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

USER: Sure, I need to travel on dates of Sept 21 and Sept 23.

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

USER: That is fine, please proceed with booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1011.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.