You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: Due to bad weather conditions I want to cancel my recent reservation. Can you please help me with it?

ASSISTANT: Sure, let me know your name to cancel your reservation?

USER: Carolyn Jones.

ASSISTANT: Thank you, no reservation found with given name.

USER: Not a problem, thank you.

ASSISTANT: Thank you for opting with us.