You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you help me to cancel my reservation?

ASSISTANT: Sure, can I know your name?

USER: Sure, my name is Samantha Roberts.

ASSISTANT: Thank you. Please wait, let me check your reservation status in our database.

USER: Sure.

ASSISTANT: Sorry, I did not find any reservation under your name in our database.

USER: No issues, thank you for your time.

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