You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

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

ASSISTANT: Sure, may I know your good name?

USER: Emily Nelson.

ASSISTANT: Ok, please wait for a minute.

USER: Ok.

ASSISTANT: We found a reservation on your name, shall I cancel it?

USER: Yes, You can .

ASSISTANT: Your reservation has been cancelled successfully.

USER: Thank you.

ASSISTANT: Thank you for reaching us.