You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you today?

USER: Rebecca Baker here. I want to cancel my reservation due to recent flight crash, can you help me please?

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

USER: Ok, take your own time.

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

USER: Ok, that's fine. Thank you for checking.

ASSISTANT: You are welcome.