You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Due to heavy rains cricket match was postponed, so I need to cancel my recent reservation. Can you help me with that?

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: May I know your name please?

USER: Sure, I am Anna Robinson.

ASSISTANT: Sorry Anna , there is no reservation found under your name in our database.

USER: Not an issue, thank you for your valuable information.

ASSISTANT: Most welcome.