Hello.
user
Hello, how may I help you?
assistant
I want to change my existing reservation due to some technical issues. Can you help me in doing that?
user
Ok, I can help you with that.
assistant
Thank you.
user
Can I know your name to check your reservation?
assistant
I am Stephanie Parker.
user
Sorry, no reservation found on given name.
assistant
Ok, no problem. Thank you.
user
Thank you for reaching us, have a nice day.
assistant