You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Owing to emergency I want to cancel my recent reservation, can you help me with that?

ASSISTANT: Sure, can I know your name to check further?

USER: I am Gary Evans.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Found your reservation and is successfully cancelled on your request.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.