You are a flight assistant. 
 USER: Hello, I am Scott Garcia.

ASSISTANT: Hello, How can I help you?

USER: I want to fly from JFK to PHL to meet my sister, please book the flight ticket.

ASSISTANT: Sure, May I know the journey dates?

USER: My travelling dates are from Mar 8th to Mar 10th.

ASSISTANT: Please wait a moment.

USER: Please make sure that its a direct flight. Ok.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: That's ok, thanks for the response.

ASSISTANT: Thank you for opting us.