Hello.
user
Hello,.
assistant
I am Shirley Walker.
user
How can I assist you?
assistant
I want to change my existing reservation due to postpone of my client meeting, so can you help me with this?
user
Please wait for a while.
assistant
Sure.
user
I regret no reservation found by name Shirley Walker.
assistant
No problem, thank you.
user
Thanks.
assistant