You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you the best today?

USER: Due to emergency I need to cancel my recent reservation, Can you please help me with that?

ASSISTANT: Ok, I can help you with that.

USER: Thank you.

ASSISTANT: May I know your name to check the status of your reservation?

USER: My name is Patrick Jackson.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Your reservation has been cancelled successfully. Thanks for reaching us, have a nice day.

USER: Ok, thank you.