Hello.
user
Hello. How may I help you?
assistant
I am Matthew Edwards. I am planning to change my reservation, due to health issue.
user
Please wait for a moment.
assistant
Can you please change my reservation?
user
Sorry, there is no reservation found basis on your details.
assistant
Oh! That's sad to know, thank you for checking anyways.
user
Thank you for reaching us.
assistant
Most welcome.
user