You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,.

USER: I am Frank Gonzalez.

ASSISTANT: How can I aid you today?

USER: Due to emergency I need to cancel my recent reservation, Can you please help me that?

ASSISTANT: Sure, we are glad to help you in cancelling  your ticket. Please, wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting. There is a reservation found on your name. Can I proceed with cancellation?

USER: Yes, please cancel my ticket,.

ASSISTANT: Your ticket has been cancelled. Thank you for availing us.

USER: Thanks for your quick response.

ASSISTANT: Have a nice day!.