Hello.
user
Hello.
assistant
I am Lisa Wilson.
user
How may I assist you today?
assistant
Due sudden changes, my seminar has been postponed. Can you please change my reservation?
user
Sure, I am gleeful to help you with this reservation change.
assistant
Thank you.
user
Please wait I will check and let you know about your reservation status.
assistant
Sure.
user
I have found your previous reservation. Can you please share your new preferable airport codes?
assistant
My airport codes are from DTW to LAS.
user
May I know your new travelling dates, please?
assistant
I want to start on July 22 and return on July 24.
user
Do you need a direct flight or  connecting flight in your journey?
assistant
I need a connecting flight.
user
Can you please share your Airline preferences?
assistant
I am comfortable with any airline.
user
May I know your depart time and return time?
assistant
I want to depart in the afternoon.
user
Do you have any class preferences?
assistant
No.
user
There is a connecting flight -1012 in Delta Airlines with a fare of  100. Shall I book it?
assistant
You can proceed.
user
Your booking is done in economy class, the depart time is Afternoon 13:00 PM.
assistant
Thank you.
user