Hello.
user
Hello. How may I help you today?
assistant
I would like to change my reservation because my father is unwell, can you please help me to change my reservation?
user
Sure, may I know your name to check your ticket status?
assistant
My name is Joseph Lewis.
user
Please hold on for a moment.
assistant
Sure.
user
Sorry Lewis, no reservation is found by your name.
assistant
No problem, thank you for checking.
user
Thank you for reaching us.
assistant