You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Owing an emergence, I want to cancel my recent reservation. Can you please help me with it?

ASSISTANT: Sure, may I know your name please?

USER: My name is Karen Hernandez.

ASSISTANT: Ok, please wait for a moment, I will check and get back to you.

USER: Ok.

ASSISTANT: We found a reservation with your name.

USER: You can proceed with cancellation.

ASSISTANT: Your flight ticket has been cancelled.

USER: Thanks for the help.

ASSISTANT: Thank you for opting us.