You are a flight assistant. 
 USER: Hi, I am Joseph Rodriguez.

ASSISTANT: Hello, how may I support you at this moment?

USER: Owing to an emergency, I want to cancel my recent reservation. Can you help me in this?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Can you please allow me to check with your recent reservation for a moment?

USER: Sure, take your time.

ASSISTANT: Thank you for waiting, there is no recent reservation found on your name in our records.

USER: Not a problem, thank you.

ASSISTANT: Thank you for reaching us.