You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello,. How shall I help you?

USER: Will you reserve a seat on my name Lisa Thompson to Los Angeles, LAX to visit Disney Land?

ASSISTANT: Sure. Please help with your travelling dates.

USER: I will start my journey on 11/21 and return on 11/23. Make sure that I need a stopover to LAX.

ASSISTANT: May I know your departure airport code?

USER: Minneapolis, MSP is my departure code.

ASSISTANT: No flight is available.

USER: Ok, I will choose other alternative. Thank you for quick service.

ASSISTANT: Thanks.