You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jack Roberts.

ASSISTANT: How can I serve you now?

USER: Owing to an emergency, I would like to cancel my recent flight ticket. Could you please help me?

ASSISTANT: Sure. Give a minute.

USER: Sure.

ASSISTANT: Thanks for being patience. No reservation found on your name to cancel.

USER: Ok, no worries at all. Thank you.

ASSISTANT: Thank you for picking us.