You are a flight assistant. 
 USER: Hello, Kenneth Wilson here.

ASSISTANT: Hello, may I know for what help you are looking for?

USER: I am a FBI agent, I want to visit Las Vegas to investigate a case in casino.

ASSISTANT: Ok, can you please tell me your source and destination codes?

USER: Could you book a ticket from SFO to LAS?

ASSISTANT: Yes, I help with that. Please tell me your travelling dates.

USER: My journey dates are 11/29 and 12/01.

ASSISTANT: The AA airline with flight number 1009 is available having price as 100 and connection as 1. Would you like me to book this plane ticket?

USER: Go ahead to book my ticket.

ASSISTANT: Ok. Your reservation is done.

USER: Thank you for assisting me.

ASSISTANT: Thank you.