You are a flight assistant. 
 USER: Hello. I am Larry Edwards.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my reservation due to mu trip has been cancelled.

ASSISTANT: Ok. Please wait a moment.

USER: Sure.

ASSISTANT: We found a reservation on your name. Shall I proceed with cancelling?

USER: Ok, please cancel.

ASSISTANT: Ok, your reservation has been cancelled.

USER: Thank you for your help .

ASSISTANT: Thank you for reaching us.