You are a flight assistant. 
 USER: Hello. Alexander Perez here.

ASSISTANT: Hello. How can I help you, Perez?

USER:  I just want to cancel my previous reservation because of my husband's health issues. Can you please help me out?

ASSISTANT: Sorry for that, I will help you for sure. Just hold on.

USER: Ok.

ASSISTANT: Our data base is showing that, there is no reservation found on your name.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for choosing us.