Hi.
user
Hello. How can I guide you?
assistant
I want to change my existing reservation which is done recently due to some health issues, can you please help me in this?
user
Sure, I can help you. May I know your name to check your details?
assistant
Thank you. Sure, my name is Jeffrey Brown.
user
Please wait a while.
assistant
Sure, I will wait.
user
 Thank you for waiting, but I am sorry to say that, there is no active reservation found with your name in our database to change it.
assistant
Ok, no problem. Anyways, thank you for your service.
user
Thank you for reaching us.
assistant