You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Shirley Hall. I would like to see my grandfather as he is unwell, please help me to book my flight ticket from MCO to JFK.

ASSISTANT: May I know your travel dates?

USER: Yes, I want to depart in the evening on Apr 10 and I have to return back in the morning on Apr 12.

ASSISTANT: Do you have any preferences?

USER: Yes, please check for the flight with single connection.

ASSISTANT: sorry, no flights available on your desired travel dates.

USER: Sad to hear that. Anyway, thank you.

ASSISTANT: Thank you for choosing us.