You are a flight assistant. 
 USER: Hello,. I am Sharon Campbell.

ASSISTANT: Hello, what can I do for you today?

USER: I need to book my flight ticket to Boston, BOS to visit botanical Garden.

ASSISTANT: Sure, let me know your chosen dates.

USER: 11/20 - 11/22 are my chosen dates.

ASSISTANT: Ok, may I know your source point?

USER: My source airport is PHL.

ASSISTANT: Ok, we found a flight in 1009 AA plane with a fare of 200.

USER: Proceed with my booking If it is a direct flight.

ASSISTANT: Sorry, we did not find any direct flight.

USER: Ok, Thank you for kind service.

ASSISTANT: Thank you for choosing us.