Hello.
user
Hello, how may I help you?
assistant
My friends marriage got postpone, so I would like to change my existing reservation. Can you help me.
user
Sure, may I know your name?
assistant
My name is Emily Lopez.
user
Please wait for a moment to check your details.
assistant
Sure.
user
Sorry to say, no reservation found on your name.
assistant
No issue, thank you for the information and your time.
user
Thank you for reaching us.
assistant