You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Betty Anderson here.

ASSISTANT: How can I help you today?

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

ASSISTANT: Ok, please wait for a moment.

USER: Take your own time.

ASSISTANT: Sorry Betty, no reservation found under your name.

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

ASSISTANT: Thank you.

USER: Most welcome.