Hello.
user
Hello.
assistant
I am Michelle Hill. My son is giving a presentation on international competition, but due to some sudden changes, I want to change my existing reservation.
user
Ok, please allow me a minute.
assistant
Can you help me with that?
user
Sorry, I haven't found your previous reservation as per your data.
assistant
That's ok. Thank you for your response.
user
It's my pleasure, have a nice day.
assistant