You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Do you need any immediate assistance from our booking agency?

USER: Due to heavy rain, I want to cancel my reservation. Can you help me?

ASSISTANT: Sure, I feel euphoric to help you with flight ticket cancellation.

USER: Thank you.

ASSISTANT: On whose name you have reserved the previous flight ticket?

USER: Kevin Campbell here.

ASSISTANT: Let me check with your information in our data base, please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for your patience, there is no reservation found for the user name in our data base to help you in cancellation.

USER: No problem, Thanks for the information.

ASSISTANT: You are most welcome and thank you for consulting our agency to your help.