You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

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

ASSISTANT: Sure, I will help you.

USER: Thank you.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, I regret to inform you that there is no reservation found for the user name.

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

ASSISTANT: You are most welcome and thank you for reaching our agency.