You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Patricia Green.

ASSISTANT: How can I assist you today?

USER: Owning to an emergency I want to cancel my recent reservation. Can you please help me with this?

ASSISTANT: Sure, will you please give me a moment?

USER: Sure, take your time.

ASSISTANT: Thanks for waiting, there is no reservation found under your name.

USER: Ok, not an issue. Thank you for checking.

ASSISTANT: Welcome, have a great day.