You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Brenda Taylor.

ASSISTANT: Brenda Taylor, by what way shall I aid you?

USER:  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. Can you help me with the cancellation?

ASSISTANT: Ok. Thanks for waiting.

USER: Ok.

ASSISTANT: I did not get any reservation on your name to cancel.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for connecting us, have a nice day.