You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Patricia Johnson.

ASSISTANT: How may I assist you?

USER: I am planning to cancel my recent reservation, due to some emergency work. Can you please cancel my recent reservation?

ASSISTANT: I will help you with that, can you please wait for a while?

USER: Sure, take your own time.

ASSISTANT: There is a reservation with your name and it is successfully cancelled.

USER: That's fine, thank you for your quick response.

ASSISTANT: Thank you for approaching us, have a great day.

USER: You are welcome.