You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I want to cancel my reservation, because I have another important work on those dates, can you please cancel my reservation?

ASSISTANT: Sure, I will help you with cancelling your reservation. On which name did you booked your reservation earlier?

USER: I have booked ticket under the name of James Carter.

ASSISTANT: Ok, please wait a moment. Thank you for waiting. Sorry James, there is no reservation found under your name.

USER: It's ok no problem. Thank you for your information.

ASSISTANT: Most welcome. Thank you for choosing us.