Hello.
user
Hello. How can I help you today?
assistant
I am Catherine Lewis. I want to change my existing reservation due to health issues, can you help me in changing reservation?
user
Please wait for a while, let me check your reservation and revert to you.
assistant
Sure.
user
There is no reservation found with your given name in our data.
assistant
No problem, thank you.
user
Thank you for approaching us.
assistant