Hi.
user
Hello. How may I aid you?
assistant
I want to change my reservation due to health problem, can you help me?
user
Sure, I am here to help you? May I know your name?
assistant
Myself Helen Davis.
user
Ok, please be on hold.
assistant
Sure.
user
Thank you for waiting, there is no reserved flight under your name in our records.
assistant
No problem, thanks for checking.
user
Thank you for reaching us.
assistant