You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Sure, please let me know your name to check your current reservation.

USER: Brian Taylor.

ASSISTANT: Please stay connected for a while.

USER: Ok.

ASSISTANT: We didn't find any reservation on your name to cancel.

USER: That's Fine. Thank you.

ASSISTANT: Thank you.