You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I be of your assistance?

USER: I am Daniel Jones want to give a surprise to my daughter in New York.

ASSISTANT: Ok.

USER: Airport codes are from MN-MSP to NY-LGA. Travelling dates are  06/04 and 06/06.

ASSISTANT: Sorry, no flights found based on your details.

USER: Ok, thank you for the information.

ASSISTANT: Have a nice day.