You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: Owing to emergency I want to cancel my reservation, can You help me?

ASSISTANT: Sure, I will help you. Let me check your reservation status. May I know your name?

USER: Myself Anthony Phillips.

ASSISTANT: Phillips, I did not find any reservation under your name in our database.

USER: No problem, thanks for checking.

ASSISTANT: You are welcome and thank you very much for contacting us.