Hello, I am David Perez.
user
Hello, how can I provide assistance to you?
assistant
Due to an emergency meeting, I want to change my reservation. Can you help me with it?
user
Sure, we are ecstatic to help you. Please wait for a while, I will check the reservation status and get back to you.
assistant
OK.
user
We are sorry to inform you that, we did not find any reservation against your name.
assistant
No problem, thank you for the information.
user
Thank you for contacting us.
assistant