You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I want to visit New York, can you book a ticket for me? I want to book a ticket from MSP to JFK.

ASSISTANT: Sure.May I know your name?

USER: My name is Jeffrey Rodriguez.

ASSISTANT: Ok.Can you give me your travelling dates?

USER: My travel dates are 05/09 & 05/11.

ASSISTANT: Ok, wait a moment please.

USER: Ok.

ASSISTANT: Sorry, no flights available for your request.

USER: Ok, thank you for checking.

ASSISTANT: Ok, thank you have a nice day.