You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: My father had booked me a flight ticket to take me with him to buy a new Audi car but I met with an accident and doctor told to take bed rest, so he is not taking me with him, can you please cancel my ticket?

ASSISTANT: Sure, will you mention the name for checking the reservation?

USER: Sure, my name is Gregory Evans.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: There is no reservation found under your name.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Welcome, have a great day.