You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, What kind of help are you expecting from our side?

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

ASSISTANT: Sure, I am gleeful to assist you. On which dates would you like me to book a flight ticket for you?

USER: I am departing on Apr 23 and return on Apr 25.

ASSISTANT: Do you prefer any lay by in between journey?

USER: I prefer a connecting flight.

ASSISTANT: Is there any another specifications on your trip, so that I can arrange like that only.

USER: I prefer a business class.

ASSISTANT: May I know your good name please?

USER: My name is Donna Rodriguez.

ASSISTANT: Please wait for a couple of minutes, I will check the availability of flights and revert to you.

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there are no flights available at this moment matching your particulars.

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

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