Hi.
user
Hello. How may I help you?
assistant
I want to change my reservation due to health problem, can you help me?
user
Sure, I am happy to help you and can you please let me know your name for checking purpose?
assistant
I am Jonathan Williams.
user
Please allow me a moment to check your previous booking.
assistant
Sure.
user
Thank you for waiting, there is no reservation obtained on your name in our back end to change your flight ticket booking.
assistant
No problem, thanks for checking.
user
You are most welcome. Have a nice day.
assistant