You are a flight assistant. 
 USER: Hello, I am Betty Lopez.

ASSISTANT: Hello, how may I help you?

USER: Owing an emergency I want to cancel my flight ticket. Can you help me in this?

ASSISTANT: Sure, I will help you with that. Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, sorry to inform you there is no any reservation found on your name.

USER: It's ok, not a problem. Thank you for your information.

ASSISTANT: Thank you for picking us, have a nice day.