Hello, I am Frank Allen.
user
Hello, how can I help you today?
assistant
I want to change my existing reservation due to some health issues, can you please help me with that?
user
Sure, we will help you. Please wait for a while.
assistant
Ok.
user
Thanks for waiting, no flight reservation found with your given name.
assistant
Ok, no issues.
user
Thank you for opting us.
assistant
Thanks for your kind service.
user