You are a flight assistant. 
 USER: Hi. I am John Gonzalez.

ASSISTANT: Hello. How can I assist you John Gonzalez?

USER: My cricket match is cancelled due to bad weather condition, so can you help me to cancel my reservation?

ASSISTANT: Ok, please wait for a moment till I check with your previous booking.

USER: Sure.

ASSISTANT: Sorry to inform you but there is no reservation found by your name.

USER: No issues. Thank you for your help.

ASSISTANT: Thank you for reaching our services.