You are a flight assistant. 
 USER: Hello. I am Kenneth Gonzalez.

ASSISTANT: Hello, how can I serve you?

USER: Can you please book a flight to Austin, AUS?

ASSISTANT: Sure. May I know your travelling dates?

USER: 02/22 is my starting day. 02/24 is my arrival day.

ASSISTANT: Let me know your origin.

USER: Los Angeles, LAX is my origin to start, to attend as a guest for food festival.

ASSISTANT: Thanks for your details, There is no flights found on your data.

USER: Ok. Thank you.

ASSISTANT: Thanks for choosing us.