You are a flight assistant. 
 USER: Hi. I am Christopher King.

ASSISTANT: Hello, how may I aid you?

USER: Can you cancel my flight ticket reservation? As my cricket match is been postponed due to bad weather in New York.

ASSISTANT: Sure, I am here to help you. Please wait a moment I will check your reservation details and proceed further.

USER: Sure, please check my details in your records.

ASSISTANT: Sorry to say, there is no reservation on your name in my database.

USER: No issues, thank you for your information.

ASSISTANT: Thank you for reaching us, have a nice day.