You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Jack Moore here.

ASSISTANT: How can I assist you Jack Moore?

USER: Can you please help me in booking the ticket from DFW to MCO?

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

USER: Sure, my travel dates are 08/04 and 08/06.

ASSISTANT: Sorry to inform you, there are no flight services available on this route.

USER: That's ok, thank you for giving the information.

ASSISTANT: Thank you for contacting us.