Hello.
user
Hello, how can I help you?
assistant
Can you please help me to change my existing reservation?
user
Sure, please let me know your name to check your details.
assistant
My name is Elizabeth Wilson.
user
Ok, please wait a while.
assistant
Sure.
user
Elizabeth Wilson, there is no reservation found on your name to do modification.
assistant
No problem, thank you for your help.
user
Thank you for reaching us.
assistant