You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Jerry Hall. I want to go to ORD. Can you book my ticket from LAX?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My travelling dates are from 06/01 to 06/03.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: Please proceed with it.

ASSISTANT: You are welcome.

USER: It' ok, thank you.