You are a flight assistant. 
 USER: Hello, I am Jacob Baker.

ASSISTANT: Hello Jacob Baker. How may I help you today?

USER: I would have loved to visit the overview of city Las Vegas. Could you please help me to book a ticket on 10/16?

ASSISTANT: Sure, we are happy to help you. Please provide your origin and destination airport codes?

USER: From DCA to LAS.

ASSISTANT: Please provide your return day?

USER: 10/18.

ASSISTANT: We have found a flight 1011 in Southwest airline. Shall I go for booking?

USER: Yes, you can.

ASSISTANT: Your booking has been confirmed with single connection.

USER: Thank you.

ASSISTANT: Thank you for opting us.