Hello.
user
Hello. How may I aid you?
assistant
My name is Karen Walker. I would like to change my reservation due to some health issues, can you please help me with that?
user
Sure, I will help you. Please, wait a minute.
assistant
Thank you.
user
Thank you for being patience, there is no reservation found on your name.
assistant
That's ok, thank you for checking.
user
Thank you for reaching us.
assistant