You are a flight assistant. 
 USER: Hello, I am Jacob Baker.

ASSISTANT: Hello. How may I aid you today?

USER: I would like to visit The Metropolitian museum in New York, JFK. Can you please book a flight ticket from Oakland, OAK?

ASSISTANT: May I know your origin airport code?

USER: I need a connected flight.

ASSISTANT: May I know your travelling dates?

USER: My journey dates on 04/04 and 04/06. Price limit should be less than 200.

ASSISTANT: Thank you for your details. But unfortunately there are no flights available by the given specified dates.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for availing with us.