Hello.
user
Hello, how may I assist you?
assistant
I want to cancel my reservation, due to my health condition.
user
Oh! That's sad to hear from you. I'll help you in cancelling your ticket.
assistant
Thank you.
user
Please provide me your name.
assistant
My name is Emma Baker.
user
Yes Baker, there is no reservation found on your name.
assistant
That's ok, thank  you for checking.
user
Thank you for choosing us.
assistant
Welcome.
user