You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you at this moment?

USER: Myself Carolyn Taylor. I would like to visit Las Vegas for my business meeting, can you please help me to book my flight ticket from DTW to LAS?

ASSISTANT: Sure, please provide your trip dates?

USER: Sure, I will depart on 08/03 and return back on 08/05.

ASSISTANT: Ok, do you need any halt in between the journey?

USER: Yes, I need single connection flight.

ASSISTANT: Ok, how much you can afford for a flight ticket?

USER: I can only afford 200.

ASSISTANT: Ok, may I know your class preference?

USER: I am fine with any class.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

ASSISTANT: There are no flights found on your requested dates.

USER: Very bad. Anyway, thank you.

ASSISTANT: Thank you for reaching us.