You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you please book a flight ticket on November 5th?

ASSISTANT: Sure, may I know your name please?

USER: My name is Betty Turner.

ASSISTANT: Please share your travelling airport codes please.

USER: I will depart from SFO to reach DTW.

ASSISTANT: May I know on which date you will return back?

USER: I will be heading back on Nov 7th.

ASSISTANT: Is there any specific class preference for you?

USER: I prefer to fly in business class.

ASSISTANT: May I know your connection limit please?

USER: I am fine with maximum one connection.

ASSISTANT: May I know your preferable time for journey?

USER: I am good to fly anytime in the day.

ASSISTANT: Sorry to inform you that, there is no flight found as per your airline preference.

USER: No problem, thank you for your help.

ASSISTANT: Thank you for reaching us.