You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Could you please cancel my recent reservation due to cancel of my trip?

ASSISTANT: Please share your name to proceed further?

USER: I am Debra Gonzalez.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT:  I am very sorry to inform you that there is no reservation found under your name in our database.

USER: Not a problem, thank you for checking.

ASSISTANT: Thank you for choosing us.