You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Dorothy Mitchell. I want to attend my friend birthday day at MSP, can you please help me to book a ticket from OAK?

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

USER: Sure, my itinerary dates are 04/26 and 04/28.

ASSISTANT: Please hold for a moment, let me check the best flight for your journey.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry to tell you, there are no flight available in our route as per your travel dates.

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

ASSISTANT: Thank you for approaching us, have a great day.

USER: You are most welcome.