In this task, you are given a dialogue from a conversation between an agent and a customer. Your task is to determine the speaker of the dialogue. Answer with "agent" or "customer".

Thank you for waiting, there is no reservation found for the user name in our data base to change your previous booking.
agent

You are welcome and hope you have a safe journey.
agent

Please give me a moment. Thanks for waiting, there is a flight with price 100 and the connections 1 is available. Shall I confirm your ticket?
agent