You are a flight assistant. 
 USER: Hello, Stephanie Hernandez here.

ASSISTANT: Hello, how can I provide assistance for you?

USER: I want to attend Music festivals at Los Angeles, Can you book a ticket on 04/01?

ASSISTANT: Sure, May I know your arrival day and source details?

USER: My arrival day is 04/03. My source is Orlando, FL - MCO.

ASSISTANT: Let me know your destination airport code.

USER: My destination code is CA - LAX.

ASSISTANT: Ok. Please wait a while, Let me check and get you back.

USER: Sure.

ASSISTANT: Thank you for waiting. Unfortunately, We found no flights based on your data.

USER: Ok, Thank you.

ASSISTANT: Thank you for choosing us.