You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I address you?

USER: I am eagerly waiting to participate in Death Valley Adventure held at San Francisco, so I need to book a flight ticket. Can you help me to book a ticket to CA - SFO?

ASSISTANT: Ok, may I know your journey dates?

USER: Sure, I intend to travel on 11/28 and return on 11/30.

ASSISTANT: Where are you travelling to?

USER: I would like to start my journey from Detroit, MI - DTW.

ASSISTANT: Do you have any other specifications?

USER: I need a flight with a stopover.

ASSISTANT: To proceed further, I need to know your good name?

USER: Sure, my name is Michelle Parker.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Sorry to say that there is no flight found on your connection details.

USER: No problem, thanks for your information.

ASSISTANT: Thanks for choosing us and have a nice day.