You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Kathleen Roberts. I have planned a trip in the month of May, so I need a flight ticket from MSP to JFK, can you help in that one?

ASSISTANT: Sure, I will help you in booking the ticket.

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: Sure, the trip dates are on 05/02 and back on 05/04.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Sorry, there are no flights found.

USER: Ok, that'e fine, no problem with that one, thank you for your help.

ASSISTANT: Thank you for choosing us.