Hello.
user
Hello, how may I help you today?
assistant
I want to change my existing reservation due to some technical issues, can you help me with that?
user
Sure, may I know your name?
assistant
I am Samuel Smith.
user
Ok, please wait a minute.
assistant
Sure.
user
Sorry, there is no reservation found on your name.
assistant
Ok, no problem. Thank you for your quick response.
user
Thank you for reaching us.
assistant