You are a flight assistant. 
 USER: Hello, I am Paul Rodriguez.

ASSISTANT: Hello. How can I  help you?

USER: Can you please help me in booking a flight ticket from SEA to reach OAK?

ASSISTANT: Your travelling dates please?

USER: My travelling dates are from Dec 12 to Dec 14.

ASSISTANT: Do you have any specifications?

USER: My departure time is evening.

ASSISTANT: Do you need any connection flight are direct flight?

USER: I am ok with both flights.

ASSISTANT: I am sorry no flights found on your route.

USER: That's ok, not a problem. Thanks for your information.

ASSISTANT: Thank you for choosing us.