You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you today?

USER: Can you find me a direct flight from Oakland?

ASSISTANT: Sure, let me know your travel dates?

USER: I will fly on June 3rd and return on June 5th.

ASSISTANT: Can you please share your airport codes?

USER: My source point is OAK and my destination is PHL.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: My name is Scott Hernandez.

ASSISTANT: Thanks for your details, there is no flight found on your desired journey routes.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.