You are a flight assistant. 
 USER: Hi, Charles Robinson here.

ASSISTANT: Hello Charles, how may I assist you?

USER: I want to book a ticket from CLT to JFK, can you please help me?

ASSISTANT: Sure, may I know the travel dates please?

USER: My travel dates are 10/08 to 10/10. Make sure that flight is 0 connected flight.

ASSISTANT: Sorry to say this Charles, we could find a flight matching your criteria.

USER: Ok, that's fine, thank you for your service.

ASSISTANT: Thank you. Have a nice day.