You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I be of your assistance?

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

ASSISTANT: Sure, I'll help you in cancellation.

USER: Thank you.

ASSISTANT: Could you please help me by providing your name?

USER: Sure, my name is Nicole Lewis.

ASSISTANT: Thank you for providing your name, give me a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, I have checked the reservation list but there is no reservation found by this name.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for approaching us.