You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Daniel Hall. I want to cancel my flight ticket due to some problems I am unable to travel in flight so can you please cancel my flight ticket?

ASSISTANT: Sure, please wait for a moment.

USER: Ok, thank you for your positive response.

ASSISTANT: I have found a reservation on your name and cancelled it successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.