Hi.
user
Hello, how may I help you today?
assistant
I am Donald Walker. I want to change my existing reservation, due to health issue.
user
Ok.
assistant
Can you help me in my changing reservation?
user
Sure, please wait a minute.
assistant
Sure.
user
Thanks for waiting, no reservation was found on your name in the database.
assistant
Not an issue.
user
Thank you for reaching us.
assistant
Thank you.
user