You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I be at your help?

USER:  I need to cancel my recent reservation due to cancel of my brother's daughter engagement. Can you help me with cancellation?

ASSISTANT: Sure, may I know your name to check the reservation list and revert you?

USER: Thank you. Rebecca Allen, is my name.

ASSISTANT: We found a reservation on your name and it has been cancelled.

USER: Ok, thanks for the help and support.

ASSISTANT: Thank you for approaching us.