You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. What can I do to make your experience better with us?

USER: As my hearing date in court got postponed due to holidays, I would like to cancel my reservation. Can you help me with the cancellation?

ASSISTANT: Certainty, I am here to assist you.

USER: Ok.

ASSISTANT: Can I know on which name ticket has been booked in past?

USER: Reservation was made on the name of Helen Thomas.

ASSISTANT: Please wait a moment I will check the reservation list to find a match with your name.

USER: Sure.

ASSISTANT: Thanks for waiting, unfortunately we did not found any reservation showing active in our database for cancelling your ticket.

USER: That's ok, I will reach you later. Thank you for the information.

ASSISTANT: Thanks for reaming so positive. We are glad to serve you again.