You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

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

ASSISTANT: How may I help you? May I know your name?

USER: Myself Joshua Rodriguez.

ASSISTANT: Please give me a minute. There is no reservation found under your name.

USER: No problem, thanks for checking.

ASSISTANT: Most welcome.