Hello, I am Janet Thomas.
user
Hello, how can I help you?
assistant
Due to sudden demise of my grandfather I need to change my existing reservation, can you please help me out?
user
Sure. Please wait for a while, I will check and get back to you.
assistant
Ok.
user
We have not found any flight reservation on your given name.
assistant
Ok, thank you for giving the information.
user
Thanks for choosing us.
assistant