You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how could I serve you today?

USER: I am Rebecca Miller, have a plan to cancel my ticket because my clients meeting is cancelled suddenly. Can you help me with that cancellation?

ASSISTANT: Sure, please give me a moment.

USER: Ok.

ASSISTANT: There is no reservation found on your given name.

USER: Ok. Thank you.

ASSISTANT: Thank you for reaching us.