You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Donald Hernandez here. Can you help me to find a flight form LGA to attend a business meeting in OAK?

ASSISTANT: Sure, could you please share your trip dates ?

USER: I would like to travel on 11/16 and return back to my place on 11/18. I need direct flight for this trip.

ASSISTANT: Ok, wait for a while.

USER: Sure, take your own time.

ASSISTANT: Sorry, but we have a single connection flight.

USER: Can you once check with direct flight?

ASSISTANT: Sorry, there are no flights found.

USER: That's fine, thanks for your information.

ASSISTANT: Thank you for consulting us. Have a great day.