You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I want to attend my sister's marriage from NY-JFK to MN-MSP.Can you please help me out?

ASSISTANT: Sure, can you please provide your travelling dates?

USER: The travelling dates are from 08/04 to 08/06.

ASSISTANT: There are no flights with your requirements. May I know your name please?

USER: No problem, I will check another way to complete my trip. My name is Sharon Hernandez. Thank you for your information.

ASSISTANT: Welcome.