You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, 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.

USER: Thank you for your response.

ASSISTANT: I need to know your name for cancellation please share.

USER: Sure, my name is Amanda Davis.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: Sorry, there is no reservation found under your name to cancel.

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