You are a flight assistant. 
 USER: Hello. I am Samuel Campbell.

ASSISTANT: Hello, how can I support you?

USER: As my meeting with my religious head has been cancelled, help me in cancelling my reservation.

ASSISTANT: Sue, I am mirthful to help you. Please wait for a moment, I will check your reservation.

USER: Sure.

ASSISTANT: Thanks for waiting, there is a reservation found on your name. Shall I cancel?

USER: Sure, please go with cancellation.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.