You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am looking for a flight from LAX to ORD, can you help me out in booking the flight ticket?

ASSISTANT: Sure, i am glad to help you in booking. can I have your travel dates please?

USER: My airborne will be on 03/20 and deplane will be on 03/22.

ASSISTANT: Sorry, no flights are available on your route.

USER: That's ok, no problem. Thank you for your information.

ASSISTANT: Thank you for opting us. May I know your name?

USER: Myself Kenneth Garcia.

ASSISTANT: Thank you.