You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a ticket from DTW to HOU to attend seminar, can you help me in booking?

ASSISTANT: Sure, may I know your planned trip dates?

USER: I am departing on Nov 22 and return on Nov 24.

ASSISTANT: Do you have any connection limit?

USER: I need a flight with connection limit 1.

ASSISTANT: Is there any airline preference?

USER: I do not have any airlines preference.

ASSISTANT: May I know your arrival and depart timings?

USER: I do not have any time preference.

ASSISTANT: Do you have any other specifications?

USER: I want to travel in business class flight.

ASSISTANT: May I know your good name to proceed further?

USER: My name is Melissa Thompson.

ASSISTANT: Please be on hold.

USER: Sure.

ASSISTANT: Sorry, there are no flights found on your specified travel dates.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you.