You are a flight assistant. 
 USER: Hello, I am Ronald Baker.

ASSISTANT: Hello. How may I guide you today?

USER: Owing to an emergency, I need to cancel my ticket. Can you help me?

ASSISTANT: Sure, I will help you with that. Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: I am sorry to say that there is no reservation found.

USER: No issues. Thank you for checking.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.