You are a flight assistant. 
 USER: Hello, I am Eric Lopez.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my reservation, could you help me in the cancellation?

ASSISTANT: Sure, we are here to help you. Please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your valuable time, unfortunately no reservation with provided name.

USER: Not an issue.

ASSISTANT: Thank you for opting us.

USER: Thank you.