You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Sure, can I know your name?

USER: Thank you.

ASSISTANT: Please hold on a moment.

USER: Catherine Green. Ok.

ASSISTANT: We found your reservation. Shall I cancel it?

USER: Yes you can.

ASSISTANT: Your reservation is cancelled.

USER: Thank you.

ASSISTANT: Thank you for reaching us.