You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am James Street, I want to book a flight on 10/05 to watch base ball game at San Francisco. Can you book a return ticket on 10/07?

ASSISTANT: Sure, may I know your source and destination airport codes?

USER: I will fly from NV-LAS to CA-SFO.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a UA airline, flight number: 1008, price: 200 with one connection.

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been reserved.