You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Brenda Parker this side.

ASSISTANT: How can I assist you today?

USER: I want to cancel my reservation today, can you please help me?

ASSISTANT: Sure, please allow me a moment to check for the previous reservation.

USER: Ok, take your own time to check.

ASSISTANT: Brenda, there is no reservation found under your name.

USER: Oh! That's sad to know, thank you for checking anyways.

ASSISTANT: Thank you for contacting us.

USER: Most welcome.