Hi.
user
Hello. How can I render you today?
assistant
I am David Clark. I want to cancel my recent reservation, because I want to travel  with my friends by road. Can you help me with it please?
user
Sure, we are here to aid you.
assistant
Thank you.
user
Give me a minute I will check with the reservation and let you know.
assistant
Ok.
user
Thanks for your time, we could not find your name David Clark in our reservation list.
assistant
That's ok. Thank you for the response.
user
Thank you for reaching us.
assistant