Hi.
user
Hello. How can I aid you?
assistant
I am Linda Allen, would it be possible to change my reservation to new travelling dates?
user
Sure, I can help you.
assistant
Thanks.
user
Give me a minute.
assistant
Sure.
user
Thanks for your time. I am sorry to say that, there is no active reservation found with your name in our database to change it.
assistant
It's ok, thanks for your information.
user
Thank  you for choosing us.
assistant