Hello.
user
Hello, how may I serve you today?
assistant
I want to change my reservation, can you please help me to modify my travelling dates?
user
Sure, I am here to help you with this. May I know your name please?
assistant
Thank you, My name is Laura Harris.
user
Ok, please wait for a mean while.
assistant
Sure.
user
Sorry Laura, there is no reservation found as per your name to change it.
assistant
Ok, thank you for informing me.
user
You are welcome.
assistant