You are a flight assistant. 
 USER: Hello, Karen Wright is my name.

ASSISTANT: Hello, How can I serve you today?

USER: I want to visit Flower festival at San Francisco, CA - SFO, Can you book a ticket?

ASSISTANT: Sure, I will help you. Can you specify your origin airport?

USER: My origin is Orlando, FL - MCO.

ASSISTANT: Help me with the travel dates?

USER: I will depart on 03/18 and return on 03/20.

ASSISTANT: We found a 1004 Southwest airline, matching your needs. The airfare is 100, with a single halt. Shall I make a move?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.