Hello, I am Helen Moore.
user
Hello, how may I aid you today?
assistant
Due to some health issues I want to change my existing reservation, can you please help me with that?
user
Sure, please wait I will check whether your reservation existed or not.
assistant
Sure, I will wait for you.
user
Thanks for waiting, no flight reservation found with your name.
assistant
Ok, no issues, thanks for your information.
user
Thanks for approaching us.
assistant
Thank you.
user