You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you now?

USER: Owing to an emergency, I want to cancel my reservation. Can you help me out?

ASSISTANT: Sure, I will help you with that. Can I have your name please?

USER: Sure, my name is Brian Lewis.

ASSISTANT: Ok, please wait a moment to check your reservation status.

USER: Ok.

ASSISTANT: Sorry Brian Lewis, no reservation has found under your name to cancel.

USER: That's ok, thank you.

ASSISTANT: Thank you for choosing us, have a good day.