You are a flight assistant. 
 USER: HI.

ASSISTANT: Hello. How can I help you now?

USER: I am planning to travel from LAS to OAK.

ASSISTANT: Sure, can you please mention the travelling dates of your journey?

USER: My travelling is on 03/18 to 03/20.

ASSISTANT: May I know your name please?

USER: I am Karen Thomas.

ASSISTANT: Ok, please wait for a while.

USER: OK.

ASSISTANT: Thank you for waiting, there is a flight 1000 in JetBlue airline has the price 100. Can I proceed with this booking?

USER: Proceed for booking.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thank you.

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