You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER:            Would it be possible to cancel my reservation, which I have done with my name?

ASSISTANT: Sure, can you please provide me your name to check the reservation?

USER: Yes, my name is Amy Lewis.

ASSISTANT: Sorry, there is no reservation with your given name.

USER: That's fine, thank you for the response.

ASSISTANT: Thank you for reaching us.