You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: I am Donna Rodriguez, I want to book a flight from NY-LGA to meet my cousin. Can you book a flight ticket to NY-JFK?

ASSISTANT: Sure, Please help me with your journey dates.

USER: I will fly on 02/03 and return on 02/05.

ASSISTANT: Please wait a minute.

USER: Sure.

ASSISTANT: Sorry, No flights found with your preferable dates.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for choosing us.