You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be there for you?

USER: I am Sandra Edwards. I need to cancel my reservation due to my planned event got cancelled. So please help me with that.

ASSISTANT: Sure, let me check the reservation list and revert you.

USER: Thank you. I will wait for your response.

ASSISTANT: We found a reservation by your name. Shall I proceed to cancel?

USER: That's great, please cancel it.

ASSISTANT: Your request for cancellation has been processed.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.