You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Paul Smith.

ASSISTANT: Paul, how may I assist you today?

USER: Due to an emergency I would like to cancel my reservation, could you please help me out?

ASSISTANT: Sure Paul. Paul, in my database I did not found any reservations with your name.

USER: It's ok. Thank you for the help.

ASSISTANT: It's my pleasure Paul. Have a good day.