You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Anthony Lopez.

ASSISTANT: What assistance do you want from our flight ticket booking agency?

USER: Would it be possible to cancel my reservation?

ASSISTANT: There is a possibility of ticket cancellation but we will charge some amount to cancel the ticket. Is it ok for you?

USER: I am ok with that, please check it out.

ASSISTANT: Ok, please wait a minute. I will check the status and let you know the details.

USER: Sure, take your time.

ASSISTANT: Sorry, I haven't found any ticket reservation under your name to cancel.

USER: It's ok, thanks for your information.

ASSISTANT: You are most welcome. Thank you for consulting us. Have a nice day.