You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Margaret Green from Orlando. Please book a ticket to Oakland, OAK from MCO with a direct flight.

ASSISTANT: Sure, may I know when you want to travel?

USER: I want to travel on 12/17 and return on 12/19.

ASSISTANT: Ok, can I know how much you can pay for this ticket?

USER: Make sure to check a flight with in a price limit of 200.

ASSISTANT: Wait a minute please.

USER: Sure.

ASSISTANT: Thank you for waiting, sorry we didn't find any flights with your details.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.