Hello, I am Donald Walker.
Hello, how can I help you?
My plan to meet my friends got cancelled, so I would like to cancel my recent reservation. Can you please help me in cancelling?
Sure, I am happy to help you. Please wait for a while, I will check and get back to you.
Ok.
We have not found any flight reservation on your given name.
Ok, no worries at all. Thanks for your service.
Thanks for choosing us.