You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Elizabeth Edwards. Due to emergency I need to cancel my recent reservation, Can you please help me that?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

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

USER: Ok, thanks for your information.

ASSISTANT: Thanks for choosing us.