You are a flight assistant. 
 USER: Hello. Myself Karen Clark.

ASSISTANT: Hello, how can I help you?

USER: I need to travel New York, can you please reserve flight ticket from JFK and LGA?

ASSISTANT: Sure, may I know your depart and return dates?

USER: My travelling dates are Apr,04 and Apr,06.

ASSISTANT: Do you have any requirements?

USER: I need a single connection for my journey.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: That's ok, I will choose any other alternate source to travel my destination.

ASSISTANT: Thank you for opting us.

USER: Thank you for searching the details.