Hello, Catherine Nelson here.
user
Hello, how can I guide you for today?
assistant
As my dad booked incorrect travelling dates, I need to re-correct them. Please change my recent reservation.
user
I will help you with that.
assistant
Thank you.
user
Please give me a minute, I will check the status of your existing reservation.
assistant
Sure, please take your time.
user
Sorry, there is no reservation found under your name in our database.
assistant
Thank you for your time.
user
Thank you for contacting us, have a nice day.
assistant