Hello.
user
Hello. How may I help you today?
assistant
 My name is Shirley Turner. I would like to book a ticket from JFK to MSP, to attend a conference.
user
Please mention your travelling dates?
assistant
My travel dates are as follows, Feb 17 and Feb 19.
user
Do you need any specifications?
assistant
I would like to travel by single connection flight and depart time should  be in the evening.
user
Please wait a moment.
assistant
Sure. Take your time.
user
Sorry, there are no flights available on your journey dates.
assistant
No issue, thank you for the information.
user
Thank you for reaching our service.
assistant