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

ASSISTANT: Hello, how may I serve you today?

USER: I need a direct flight to Boston, MA - BOS. Can you help me with booking?

ASSISTANT: Sure, can you please provide your journey dates?

USER: 11/06 and 11/08 are my journey dates.

ASSISTANT: Do may I know your source point?

USER: New York, NY - LGA is my source point.

ASSISTANT: Do you need any halt in between journey? Ok, please hold a moment.

USER: Sure.

ASSISTANT: Thank you for your time, sorry, no flights found on that day.

USER: Ok, thanks for your service.

ASSISTANT: Thank you for approaching us.