Hello. My name is Pamela White.
user
Hello, how may I help you?
assistant
I would like to change my reservation, could you help me out?
user
Sure, please give me a moment to check the records.
assistant
Sure, take your time.
user
Sorry Pamela, there is no reservation found on your given details.
assistant
That's ok. Thank you for your time.
user
You are most welcome.
assistant