You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. May I know how best I can help you today?

USER: As my hearing date got postponed, I would like to cancel my reservation which was made on the name of Ruth Nelson. Can you help me with it?

ASSISTANT: Sure, I am delighted to help you. Can I know on which name ticket has been booked?

USER: My reservation was made on the name of Ruth Nelson.

ASSISTANT: Sure, wait a moment I will check it out weather your reservation existed or not.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for your time. We did not found any reservation showing active in our database for cancelling your ticket.

USER: I think my ticket was not confirmed yet. Thank you for the information.

ASSISTANT: You're welcome. We look forward  to serve you again.