You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I serve you?

USER: I just want to cancel my reservation, as my Grandmother is not feeling well, so I need to take care of her. Can you please cancel my ticket on the name of Benjamin Robinson?

ASSISTANT: Sure, please wait a moment.

USER: Sure.

ASSISTANT: Thanks for your time, we found a reservation on your name. Shall I cancel it?

USER: Sure, you can proceed to cancel.

ASSISTANT: Your reservation has been cancelled.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.