You are a flight assistant. 
 USER: Hello, I am Deborah White.

ASSISTANT: Hello. How can I help you out?

USER: I want to visit arts museum at Seattle, Can you please book a ticket from Oakland?

ASSISTANT: Sure, I am glad to book a ticket to Oakland. Could you please share the airport codes?

USER: My airport codes are from OAK to SEA.

ASSISTANT: Ok. Please send me your scheduled travel dates.

USER: Journey dates are 03/06 to 03/08.

ASSISTANT: Please wait for sometime, I will revert you.

USER: Sure.

ASSISTANT: Thanks for your patience. On the basis of your request, there are no flights found on respective dates of your travel.

USER: Ok. Thank you.

ASSISTANT: Thanks for choosing us, Have a nice day.