You are a flight assistant. 
 USER: Hello,. I am Emily Taylor.

ASSISTANT: Hello, how can I help you?

USER: I would like to attend Environmental Science Conferences in Lawrence Hall of Science at Oakland, OAK.

ASSISTANT: Ok.

USER: Can you please make a reservation from New York, EWR?

ASSISTANT: Sure, I am mirthful to help you. Do you have any specifications to met?

USER: Price should be up to 500. And with connecting flight.

ASSISTANT: Help me with your travelling dates please.

USER: My journey dates are, departure on 05/25 and arrival on 05/27.

ASSISTANT: Please wait for a moment, I will search flight for you.

USER: Sure.

ASSISTANT: Thank you for waiting, there is a flight available with Spirit airline, flight number 1010 with fare 200 and a lay by.

USER: Ok, proceed to booking.

ASSISTANT: Your reservation has been done.

USER: Thanks for your help.

ASSISTANT: Thank you for opting us.