You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: Due to emergency meeting, I want to cancel my recent reservation. Can you help me?

ASSISTANT: Sure, let me know your name please?

USER: My name is Dorothy Phillips.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, no reservation found with your name to cancel.

USER: Ok, no worries. Thanks for your quick response.

ASSISTANT: Thanks for availing us.