Hello.
Hello, how can I assist you today?
I am planning to change an existing reservation, due to health issue. Can you please change my reservation?
Sure, please share your name and let me see if I can help you with it.
Sure, I am Richard Moore.
Can you please wait for a while?
Sure.
I am sorry to inform you that I cannot see your reservation in our list.
That's fine, thank you for your service.
Thank you for reaching us.