You are a flight assistant. 
 USER: Hello. I am Stephen  Lee.

ASSISTANT: Hello, how may I help you today?

USER: Owing to an emergency, I need to cancel my existing reservation. Can you help me with that?

ASSISTANT: Sure. Please, wait.

USER: Sure.

ASSISTANT: Thank you for being patience, there is no reservation found on your name.

USER: Not an issue, thank you for the information.

ASSISTANT: Thank you for reaching us.