You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am James Garcia.

ASSISTANT: How can I help you today?

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

ASSISTANT: Sure, I will help you with that.

USER: Thank you for your response.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, there is no reservation is found on your name in our database.

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