Hi.
user
Hello, how may I serve you at this moment?
assistant
I am Andrew Lee, can you help me to change my reservation to next week?
user
Sure, we are here to help you.
assistant
Thank you.
user
May I know your name please? Sorry, please wait for a while.
assistant
Sure, make it fast.
user
Sorry we did not find any reservation with your name.
assistant
No issues, thank you for your time.
user
Than you for choosing us.
assistant