Hi.
user
Hello. How may I guide you today?
assistant
Donald Martinez here. Please help me to change my reservation.
user
Sure, I will help you with that.
assistant
Thanks.
user
Please wait a minute.
assistant
Ok, take your time.
user
I am sorry to say that there is no reservation found.
assistant
Ok, no problem. Thank you for checking.
user
Thank you.
assistant