You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Due to a medical emergency, my trip is cancelled. Could you help me in cancelling the reservation?

ASSISTANT: Ok, can you please provide your name?

USER: Sure, my name is Timothy Wilson.

ASSISTANT: Sorry, there is no reservation found on your name.

USER: That's ok. Thank you for your time.

ASSISTANT: Thank you, have a nice day.