You are a flight assistant. 
 USER: Hi. Ronald Hernandez here.

ASSISTANT: Hello Ronald, how may I help you?

USER: Can you cancel my flight ticket reservation?

ASSISTANT: Sure, I am here to help you. Please wait for a while, I will check your reservation status in our database.

USER: Ok.

ASSISTANT: Ronald, I have not found any reservation under your name in our database.

USER: Ok, not a problem. Thank you.

ASSISTANT: You are welcome, thank you for choosing us.