You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, firstly please let me know your name?

USER: Yes, myself Justin Lee.

ASSISTANT: Ok Lee, what help do you need from our agency?

USER: Owning an emergency, I need a direct flight to fly.

ASSISTANT: Ok, I will check the flight with connection 0. Can you please tell me the airport codes to check the flights?

USER: Ok, my location codes are from LGA to JFK.

ASSISTANT: Ok, how long you have planned your trip?

USER: My travelling dates are from 10/16 till 10/18.

ASSISTANT: Ok, one moment please.

USER: Ok.

ASSISTANT: Sorry to inform you, there are no flights running on those dates  which you have planned to travel.

USER: That's ok, no issue.

ASSISTANT: Can I do anything else for you?

USER: No, thank you for your help.

ASSISTANT: Ok, thank you for communicating with our services.