You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: Myself Cynthia Adams. I want to cancel my flight ticket, due to some problems I am unable to travel in flight so can please cancel my recent reservation?

ASSISTANT: Sure, please wait for a minute.

USER: Ok, thank you for your positive response.

ASSISTANT: I could not find any reservation with your name.

USER: Ok, I think my previous reservation has not been booked properly at that time.

ASSISTANT: Thanks for choosing us, have a great day.

USER: Thank you for your service.