You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I assist you?

USER: I need to cancel my reservation as my examinations got postponed. Can you help me cancel my reservation?

ASSISTANT: Sure, may I know your good name?

USER: Kevin Parker is my name.

ASSISTANT: Sorry to inform that there is no reservation found with your name.

USER: Ok, thank you for your response.

ASSISTANT: Thank you for reaching us.