You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello how may I help you today?

USER: I am Debra Walker and I want to meet my girlfriend who stay in Denver, CO-DEN on 07/25 from Denver, CO-DEN.

ASSISTANT: Sure Debra Walker, may I know your departure date please?

USER: OK, my return date would be 07/27 and make sure that the price 500.

ASSISTANT: OK, can you please wait for a while, I will check and get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting, we are glad to say you that we found a flight which matches with your preferred dates.

USER: OK, may I know the flight details.

ASSISTANT: The details are, flight number is 1019 with Frontier airlines, and price is of 200 with single connection.

USER: OK, you can proceed with this airline.

ASSISTANT: OK, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for contacting us.