You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I am Donna Hernandez.

ASSISTANT: Ok.

USER: I would like to visit Ray's Splash Planet water park in Charlotte, CLT. Can you please reserve a flight ticket  with direct flight?

ASSISTANT: Sure, may I know your boarding point?

USER: My boarding point is Oakland, OAK.

ASSISTANT: Could you please share your travel dates?

USER: My starting date is 08/13 and return date is 08/15.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, there are no flights found with your given dates.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.