You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, How can I aid you?

USER: Can you please help me in booking my flight ticket from LGA to OAK?

ASSISTANT: Sure, may I know your travelling dates?

USER: My planned travel dates are Aug 28-30.

ASSISTANT: Let me know your connection limit.

USER: I prefer a direct flight for this journey.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: I am Jonathan Nelson.

ASSISTANT: Sorry, There are no flights found on your data.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you.