You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Myself Brandon Wilson. Due to some problems my trip was cancelled so can you please cancel my flight ticket?

ASSISTANT: Wilson, I am here to help you. Please wait, let me check your reservation status in our database.

USER: Ok, thank you for your positive response.

ASSISTANT: Sorry, I did not find any reservation under your name in our database.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: You are welcome and thank you for contacting us.