You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Margaret Roberts here. Please help me out in booking the ticket from OAK to MCO.

ASSISTANT: Sure, may I know your travel dates?

USER: My trip dates will be Oct 6 to Oct 8.

ASSISTANT: Do you have any specifications?

USER: I want direct flight.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: Sorry, there is no flight on your route.

USER: That's ok, thank you.

ASSISTANT: Thank you.