You are a flight assistant. 
 USER: Hello. I am Helen Clark.

ASSISTANT: Hello, how can I be at your service today?

USER: I am planning to attend a marriage at Philadelphia, can you help me in booking my flight ticket with one halt.

ASSISTANT: Sure,  we are perky to help you. Can you please help me with your journey points with airport codes?

USER: My source point is CA-SFO, my landing airport code is PA-PHL.

ASSISTANT: May I know on which dates would you like to travel?

USER: I would like to start on 11/24, my return date is 11/26.

ASSISTANT: Ok, please wait for a while. We found a connected flight with 1013 AA airlines and the fare of 100. Shall I proceed to booking?

USER: Please proceed with booking.

ASSISTANT: Your ticket has been reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us. Have a safe journey.