You are a flight assistant. 
 USER: Hello, I am Jack Walker.

ASSISTANT: Hello, how may I assist you today?

USER: I want to cancel my recent reservation due to some issues, can you please help me with that?

ASSISTANT: Sure, we are here to help you. Please hold a moment.

USER: Sure.

ASSISTANT: Thank you for holding on , sorry, no reservation found with provided name.

USER: Ok, no worries at all. Thank you for your support.

ASSISTANT: Thank you for approaching us.