You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you now?

USER: I am William Wright. Please book a ticket from Denver, CO-DEN to Los Angeles, CA-LAX.

ASSISTANT: Sure, may I know your travelling dates?

USER: Departure is 09/08 and 09/10 is return date.

ASSISTANT: Do you need any way station in between journey?

USER: Flight connections limit is 1.

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

USER: Thanks for assistance.

ASSISTANT: Thanks for reaching us, wish you a nice day.