Hi.
user
Hello, how may I assist you today?
assistant
I am planning to change my travelling dates, so can you help me to change my reservation?
user
Sure, I am here to help you. Can you please help me with your name?
assistant
My name is Gary Green.
user
Please wait for a mean while.
assistant
Sure.
user
Sorry Green, there is no reservation found under your name to change your reservation.
assistant
Ok, no issues. Thank you for your information.
user
You are welcome.
assistant