You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Anna Lopez here.

ASSISTANT: How can I assist you today?

USER: Can you help me with cancelling my recent reservation?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Sure, take your time.

ASSISTANT: Anna, there is no reservation found under your name.

USER: It's ok, thanks for your information.

ASSISTANT: Thank you for reaching us.