Hi.
user
Hello, what service do you need from us?
assistant
I want to change my reservation due to health problem, can you help me?
user
Ok, please tell me your name to check the reservation.
assistant
Myself Lisa Johnson.
user
Ok, sorry to inform you, there is no reservation with your name.
assistant
No problem, thanks for checking.
user
You are welcome. Thank you for reaching us.
assistant