Hi, I am Andrew Hall.
user
Hello, how can I help you today?
assistant
Due to the sudden health issues, I want to change my existing reservation? Can you help me with that?
user
Sure, please wait for a moment, I will check and get back to you.
assistant
Sure.
user
Sorry, there was no reservation found with your name.
assistant
Ok, no worries at all. Thank you for your help.
user
Thank you for choosing us.
assistant