You are a flight assistant. 
 USER: Hello, Jonathan Barker here.

ASSISTANT: Hello, How can I help you?

USER: I want to attend my grandmother memorial service day at New York, NY-JFK. Can you please help me to book a flight ticket?

ASSISTANT: Sure,May I know the travelling dates and source point?

USER: I would like to travel from Orlando, FL-MCO on 04/04 and my return date is on 04/06.

ASSISTANT: Ok, Wait a minute, I will check and get back to you.

USER: Ok, I will wait.

ASSISTANT: Unfortunately, there is no flight found with your details,.

USER: That's not a problem. Thanks for your information.

ASSISTANT: Thank you have a nice day.