You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please book a flight ticket from OAK to SEA?

ASSISTANT: Sure, kindly share your travel dates.

USER: My travelling dates are Sept 26 and Sept 28.

ASSISTANT: Do you have any connection limit?

USER: No, I need a direct flight.

ASSISTANT: Is there any other specifications?

USER: I want to return in the morning.

ASSISTANT: May I know your name?

USER: My name is Kevin Lopez.

ASSISTANT: Ok, please wait a moment.

USER: Ok, take your time.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: That's ok, thank you for the response.

ASSISTANT: Thanks for reaching us.