You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Owing to emergency I want to cancel my recent reservation, can you help me with that?

ASSISTANT: Sure, I can help you with that. May I know your good name please?

USER: I am Stephanie Parker.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Stephanie Parker, there is no active reservation found under your name to do cancellation.

USER: No problem, thank you for the checking.

ASSISTANT: Thank you for choosing us.