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

ASSISTANT: Hi Mark Baker. How you are doing?

USER: Fine, Can you book a ticket from Oakland, CA - OAK?

ASSISTANT: Sure, please share your traveling details.

USER: My travelling dates are 02/27 and 02/29. My destination is Philadelphia, PA - PHL.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: We found a flight with your necessity.

USER: May I know the flight details?

ASSISTANT: Ya sure. Here are your flight details. Airline:Spirit, flight number:1011, price:100.

USER: Ok, you can proceed for booking.

ASSISTANT: OK. Your flight ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.