You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Sure, please help me with your name to proceed further.

USER: Myself Mary Rodriguez.

ASSISTANT: Ok Mary, please give me a moment to check the records.

USER: Sure.

ASSISTANT: Sorry Mary, there is no reservation available as per our records.

USER: No problem, thanks for checking.

ASSISTANT: Most welcome.