You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am Anna Harris, I have planned to for bike race in AUS but  recently I met with an accident. So I did not able to complete my trip, can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, just a moment please. I am sorry no reservation found on your name.

USER: While I am in hospital may be my brother got cancelled my reservation already.

ASSISTANT: Thanks for choosing our service.

USER: Thank you for your response.