Hello.
user
Hello, how may I render you?
assistant
I recently reserved a ticket to visit  my best friend. But, before my journey he came to my home and gave me a surprise visit. So, now I want that ticket to be cancelled. Could you help me?
user
Sure, I will help you.
assistant
Thank you.
user
May I know your good name to check the reservation list?
assistant
I am Charles Gonzalez.
user
Please give me a moment.
assistant
Sure.
user
Thanks for waiting, but no seat is reserved for you in any flight.
assistant
Ok, no issues. Thank you for your quick response.
user
Thanks for your help and support.
assistant