Hi,.
user
Hello.
assistant
My name is Jacob Jackson. Please change my existing reservation, owing to an emergency.
user
Sure, we will help you to change your reservation.
assistant
Ok.
user
Please wait, I will check and revert you back.
assistant
Sure.
user
Thanks for your patience.
assistant
Ok.
user
unfortunately, we did not find any reservation against your name.
assistant
Thanks.
user
Thank you for opting us.
assistant