Hello.
user
Hello, how can I help you today?
assistant
I am Dorothy Thompson. I want to do some changes in my existing reservation because I did not get the concert tickets, so planning to travel on another date, can you please help me?
user
Sure, can you please provide your new dates?
assistant
I am planning travel from AUS to DEN, can you help me out? My travelling dates are 10/27 to 10/29.
user
Sorry, there is no flight available at your requested dates.
assistant
That's fine.
user
Thank you for reaching us.
assistant
Thank you for your help.
user
Have a great day.
assistant