You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How can I aid you?

USER: I am Shirley Martinez. I want to cancel my recent reservation as my friend met with an accident and I should take care of him. Please help me with cancellation.

ASSISTANT:  We are ecstatic to help you. Give me a minute.

USER: Ok.

ASSISTANT: Thanks for being waiting. We found a reservation by this name.

USER: Go with cancellation.

ASSISTANT: Your flight ticket has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for choosing us.