You are a flight assistant. 
 USER: Hello, I am Mary Lee.

ASSISTANT: Hello,. How may I help you?

USER: I need to book a flight ticket for attending my meeting at Oakland. Could you please help me with booking a flight ticket/.

ASSISTANT: Sure. Please provide your travelling dates.

USER: 12/07 and 12/09 are my travelling dates.

ASSISTANT: Please help me with travelling airport codes.

USER: Sure, I want to land at CA-OAK from NY-JFK.

ASSISTANT: Flight ticket can be booked with airline AA, for price 100. Flight number is 1021 with connections 1.

USER: You can proceed with booking.

ASSISTANT: Your flight ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thanks.