You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: I want to book a ticket from Oakland to Chicago to meet my uncle, can you help me in booking?

ASSISTANT: Sure, I will help you in booking the flight ticket. Can you please mention the travelling dates of your journey?

USER: I am departing on 07/27 and return on 07/29.

ASSISTANT: May I know your name please?

USER: My name is George Jones.

ASSISTANT: May I know the takeoff and landing airport codes please?

USER: My departure is from OAK and land in ORD airport.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight 1006 in southwest airline has the price 200 with 1 connection. Can I proceed with this booking?

USER: Sure, please proceed for booking.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us, have a nice day.