You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Susan Rodriguez here.

ASSISTANT: How can I help you?

USER: I need your help in cancelling my recent reservation. Can you please help me?

ASSISTANT: Sure, I will help you with that.

USER: Ok.

ASSISTANT:  Susan Rodriguez, we didn't find any active reservation under your name in our database.

USER: Ok, not a problem. Thank you for giving the information.

ASSISTANT: Thank you for reaching us.