You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I amend you today?

USER: Owing to an emergency, I need to cancel my reservation.

ASSISTANT: Ok.

USER: Could you please cancel my reservation with the name of Pamela Parker?

ASSISTANT: Sure, we are here to help you. Please, wait.

USER: Thank you. Ok, I will wait.

ASSISTANT: Thanks for waiting. There is a reservation found on your name. Shall I proceed for cancellation?

USER: Please cancel it.

ASSISTANT: Your ticket has been cancelled.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us,.