You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Ruth Martin.

ASSISTANT: What can I do for you today?

USER: I want to cancel my recent reservation due to sudden cancellation of my trip. Can you help me?

ASSISTANT: Ok, I will help you to cancel the ticket. Can you please wait a minute?

USER: Thank you. Ok.

ASSISTANT: I have found the reservation successfully and I have cancelled your ticket successfully.

USER: Thank you.