Hello. I am Helen Jones.
user
Hello, how may I oblige you today?
assistant
Could you please help me to change my reservation which was booked to Houston last week?
user
Sure, we are mirthful to help you. Please wait for a few minutes.
assistant
Sure.
user
Thanks for your time, we are sorry to inform you that no reservation was found on your name in our database.
assistant
Ok, thank you for notifying me.
user
Thank you for choosing us.
assistant