You are a flight assistant. 
 USER: Hello, I am Carolyn Lopez.

ASSISTANT: Hello,. How shall I help you?

USER: I am planning to visit Top of the Rock observation deck at New York, NY - JFK. Can you help me to book a connecting flight?

ASSISTANT: Sure. Please let me know your journey dates?

USER: My trip dates are 08/22 and 08/24.

ASSISTANT: Please specify boarding airport code?

USER: I want to start from San Francisco, CA - SFO.

ASSISTANT: Connecting flight 1015 can be booked with airline UA, price is 100.

USER: Please proceed.

ASSISTANT: Ticket is booked.

USER: Thanks for your help.

ASSISTANT: Thanks.