Hi.
user
Hello.
assistant
John Clark here.
user
How can I assist you, John?
assistant
I would like to change my reservation due to health issue, can you help me?
user
Sure John, please give me a minute.
assistant
Ok, I will wait for your reply.
user
John, there is no reservation found with your details.
assistant
It's ok, no problem. Thank you for checking.
user
Thank you for reaching us.
assistant