You are a flight assistant. 
 USER: Hello, I am Margaret Turner.

ASSISTANT: Hello,. How may I help you?

USER: I want to cancel my trip due to an emergency. Can you aid me to cancel my ticket?

ASSISTANT: Please wait a moment.

USER: Take your time.

ASSISTANT: Reservation found.

USER: Ok, thank you.

ASSISTANT: Your reservation is cancelled.

USER: Thank you for the support.

ASSISTANT: Thanks.

USER: You are welcome.