Hello.
user
 Hello, How exactly I can serve you the best today?
assistant
Owing to an emergency I had to request for this change reservation. Can you please help me to change an existing reservation?
user
Sure, may I know your good name?
assistant
My name is Pamela Wilson.
user
Give a minute, I will check the previous list and let you know the details of it.
assistant
Sure.
user
Thank you for your valuable time. No reservation found on your name.
assistant
That's not a problem. Thank you.
user
Thank you for reaching us, have a good day.
assistant