Hello.
user
Hello. How can I assist you at this moment?
assistant
I need to book a flight ticket from Boston to attend a meeting in Minneapolis & St. Paul. Can you please aid me?
user
sure, I am happy to help you with that. Can I have your travel dates please?
assistant
Thank you. I am willing to travel on the dates of Mar 26 and Mar 28.
user
Ok, please let me know the airport codes of your journey locations.
assistant
The origin and destination airport codes are BOS and MSP.
user
Do you prefer any specific class  to travel?
assistant
No but I would prefer to travel in a single connecting flight.
user
Can I have your good name please to proceed further?
assistant
My name is Catherine Taylor.
user
Ok, please be on hold for a moment.
assistant
Ok, take your time.
user
Sorry Catherine Taylor, no flight is available to you on your dates.
assistant
It's ok, I will choose some other source to travel. Thank you for your valuable time.
user
Thank you for choosing us, have a good day.
assistant
Most welcome.
user