You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Sharon Lewis. I want to book a direct flight for my journey to MCO from DCA. Can you please help me to book a flight ticket?

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

USER: Thank you.

ASSISTANT: May I know your travelling dates please?

USER: Sure, my travelling dates are 01/18 and 01/20.

ASSISTANT: Sorry, there are no flights found in our database.

USER: Not a problem, I will go with another resources to reach out my destination. Anyway thank you for the help.

ASSISTANT: Thank you for choosing us.