Hello.
user
Hello, how can I guide to day?
assistant
Due to my ill health I cannot travel, could you help me in changing the existing reservation?
user
Can I have your name to check whether your reservation is existed or not?
assistant
My previous reservation has done with the name of Steven Brown.
user
Sorry, there is no reservation found under your name.
assistant
May be my brother has changed on behalf of me before.
user
That's ok, thank you for approaching us.
assistant
Ok, thank you for quick response.
user
You are welcome.
assistant