You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Can you cancel my reservation which was booked last week?

ASSISTANT: Sure, can you please let me know your name?

USER: My name is Debra Rodriguez.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there is no reservation found on your name to cancel.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.