You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Christopher Allen. I would like to cancel my reservation as my father got hospitalised, can you please help me out?

ASSISTANT: Sure, I can assist you with that.

USER: Thank you.

ASSISTANT: Please wait a moment, I will check your reservation status.

USER: Sure, take your time.

ASSISTANT: There is no previous reservation available on your name.

USER: Ok no problem, thank you for your services.

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