You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Deborah Williams.

ASSISTANT: How can I assist you for the day?

USER: I am looking for a flight from OAK to SEA, can you help me in booking the flight ticket?

ASSISTANT: Sure, I will help you with that flight ticket booking. Can you please provide me your planned travel dates?

USER: Sure, my travel dates are 06/07 and 06/09. Ensure that I need a direct flight.

ASSISTANT: Please hold for a moment.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry to say, There are no flights available as per your travel dates.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us, have a nice day.