Hello. I am Emily Lewis.
user
Hello, how may I help you?
assistant
Due to my health problem I want to change my reservation, can you please help me to change my reservation?
user
Sure, please wait for a moment.
assistant
Sure.
user
Sorry to say, no reservation found on your name.
assistant
That's fine, thank you for your service.
user
Thank you for reaching us, have a nice day.
assistant