You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I want to cancel my reservation because I am unwell and I cannot travel, can you please help me out?

ASSISTANT: On which name can I cancel your reservation?

USER: The reservation was done on the name of George Martinez.

ASSISTANT: I am sorry no reservation found on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.