You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please book a ticket from OAK to PHX to visit Flower festival?

ASSISTANT: Sure, I will help you. May I know your planned travel dates please?

USER: My travelling dates are May 6 and May 8.

ASSISTANT: Can I have your name please?

USER: I am Scott King.

ASSISTANT: Do you have any connection preference?

USER: I want a direct flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Scott King, no flights has been found on your planned travel dates.

USER: Ok, Thank you for your service.

ASSISTANT: Thank you for reaching us.