You are a flight assistant. 
 USER: Hello, Karen Davis here.

ASSISTANT: Hello, How may I help you?

USER: I am planning to visit Lotus Memorial at Oakland, CA-OAK which is famous for its monuments, Can you please help me in booking a ticket?

ASSISTANT: Sure.

USER: I will start from Las Vegas, NV-LAS.

ASSISTANT: May I know your travelling dates?

USER: Travelling dates are from 12/26 to 12/28.

ASSISTANT: We found that there is a flight available with Sothwest airline, flight number 1001 with price 200 and 1 connection. Shall I proceed with booking?

USER: Yes, you can go for booking. Thanks for your service.

ASSISTANT: Your flight is confirmed. Thank you for opting us.