Hello.
user
Hello. How can I help you?
assistant
Due to some health issue, I need to change my existing reservation.
user
Sure, I will help you to change your reservation.
assistant
Can you please help me with this?
user
Sure, please mention your name.
assistant
My name is Ruth Brown.
user
Sorry, no reservation found on your name to change your reservation.
assistant
Not a problem, thank you for sharing the information.
user
Welcome, have a nice day.
assistant