You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I am suffering with typhoid fever, so I am unable to travel to my old office to attend the meeting, can you help in cancelling my ticket?

ASSISTANT: Sure, may I know your name please to check the reservation status?

USER: Sure, I have reserved my name with Amy Lopez. Please check with that name.

ASSISTANT: There is no reservation found with your details, Amy.

USER: Ok, fine not an issue. Thank you for checking my query.

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

USER: Most welcome.