You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I would like to book a ticket from CLT to MCO, can you please help me out?

ASSISTANT: Sure, I am here to help you with that. Can I know your airborne and recur dates?

USER: I am travelling on these dates Aug 18th and 20th.

ASSISTANT: Do you have any other requirements?

USER: I need direct flight.

ASSISTANT: May I know your name?

USER: Sarah Jackson here.

ASSISTANT: Ok, wait for a while.

USER: Sure.

ASSISTANT: Sorry to say that, there are no flights available based on your journey dates.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for approaching us.