Hello.
user
Hello, how can I help you?
assistant
I would like to change my flight reservation as I met with an accident. Please help me.
user
Sure, I am here to help you.
assistant
Thank you.
user
May I know your name?
assistant
I am Joseph Allen.
user
There is no reservation found under your name.
assistant
No problem, thank you for checking.
user
Thank you for choosing us.
assistant