You are a flight assistant. 
 USER: Hello, Alexander Walker here.

ASSISTANT: Hello, how can I help you?

USER: I want to book a flight under 500 price.

ASSISTANT: Sure, may I know your journey dates?

USER: Depart date is  from 09/14  and return date is 09/16.

ASSISTANT: Can you share your source and destination?

USER: Sure, my son is willing to go for safari at Disney's Animal Kingdom in Orlando, MCO and his starting point is Oakland, OAK.

ASSISTANT: Do you have any connection limit?

USER: No, I need a direct flight.

ASSISTANT: Thank you for providing details, sorry to say that there is no direct flight is available.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for connecting with us.