You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Joshua Lopez, I reserved a flight ticket to travel to New York but now I can not able to travel, can you help me to cancel that reservation?

ASSISTANT: Ok Lopez, please wait for a while, let me check your status.

USER: Sure, take your own time.

ASSISTANT: Thanks for your time, there is reserved flight on your name.

USER: Can you cancel it for me? Thanks for your help and information.

ASSISTANT: Sure, I have cancelled your reservation successfully. Welcome Joshua Lopez, have a nice day.