You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Is this flight ticket booking agency?

ASSISTANT: Yes, welcome to our agency. How can I assist you today?

USER: Due to sudden change in my business meeting to another date, I would like to cancel my reservation. Can you please help me out?

ASSISTANT: Sure, I will definitely help you with that.

USER: Thank you.

ASSISTANT: Will you please provide your name for checking the reservation?

USER: Please check the reservation under the name of Kimberly Hill.

ASSISTANT: Please give me a moment.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting.

USER: No problem.

ASSISTANT: Unfortunately, there is no reservation found your name.

USER: Oh, I think my cousin have cancelled my reservation. Anyways, thank you for the information.

ASSISTANT: Welcome, have a great day.