Hello, Stephanie Carter here.
user
Hello, how may I help you?
assistant
 I have planned a small hangout trip with my friends, but someone don't have manage his leaves, so we want to change our existing reservation.
user
Sure.
assistant
Can you please help me out?
user
Please wait for a minute to check. No reservation found on your name.
assistant
Ok, take your own time.
user
Sorry.
assistant
Ok, not an issue. By the way, thank you for the information.
user
Welcome.
assistant