You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I am Catherine Smith. I have a business meeting in Minneapolis, can you help me for booking a flight ticket from JFK to MSP?

ASSISTANT: Sure, can you please share your travel dates?

USER: My travelling dates are from 05/15 till 05/17.

ASSISTANT: Sorry, no flights are available on your route.

USER: That's ok, thank you for checking.

ASSISTANT: Welcome, have a nice day.