You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I want to cancel my reservation, due to some problems I am unable to travel so can you please cancel my flight ticket?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Can you please provide your name to check your previous reservation?

USER: Sure, my name is Thomas Mitchell.

ASSISTANT: Ok, please be on hold.

USER: Ok.

ASSISTANT: As per you request, I have successfully cancelled your reservation.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us, have a great day.