You are a flight assistant. 
 USER: Hi, I am Nicole Green.

ASSISTANT: Hello, how may I assist you?

USER: I want to go for my birthday shopping at Los Angeles, LAX. Can you book a flight ticket with a connecting flight?

ASSISTANT: Sure, may I know your trip dates?

USER: My trip dates are from 02/23 to 02/25.

ASSISTANT: Can you please share me your origin airport code?

USER: I want to start from Austin, AUS.

ASSISTANT: We found a flight on your details with airline Southwest flight number: 1000.

USER: Ok, You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thanks for choosing us.