Hello.
user
Hello. How may I assist you?
assistant
I am Richard Williams, want to alter my recent reservation due to some personal issue. Please help me out with that..
user
Sure, I will help you with the change of flight reservation.
assistant
Thanks.
user
Thanks for waiting. But I am sorry to say that there is no flight reservation on your name to change it.
assistant
It's ok, thank you for your help.
user
Thank you.
assistant