You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me to cancel my reservation due to heavy rains at my destination place?

ASSISTANT: Sure, let me know your name to check further?

USER: Sure, my name is David King.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your given name.

USER: No issues, thank you.

ASSISTANT: Thank you for contacting us.