Hello.
user
Hello. How can I help you today?
assistant
I am Rachel  Lewis  here. Due to the inconvenience of travelling dates, I need to cancel my existing reservation. Can you please help me out?
user
Sure, I will help you with that. Please wait for a moment.
assistant
Thank you for considering my request.
user
Sorry Lewis, no reservation found under your name.
assistant
Not a big problem, anyway thank you for the information.
user
Thank you for reaching us.
assistant
Thank you for your service.
user