You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you today?

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

ASSISTANT: Sure, I am happy to help you. Could you provide me your name?

USER: Myself Robert Perez.

ASSISTANT: Sorry for the inconvenience, there is no reservation found based on your name.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for contacting us.