You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Laura Parker.

ASSISTANT: What service that you are seeking from our agency?

USER: I have to collect some books from library of congress at Washington, DCA.

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable departure and return dates of travelling?

USER: I have to depart on 01/28 and return on 01/30.

ASSISTANT: If you have any idea about your origin and destination airport codes, It is easy for me to check the flight availability in your route. Can you please provide it?

USER: Sure, my boarding point is Minneapolis, MSP.

ASSISTANT: Please wait a moment to check the flights availability and I will revert back to your with a best flight.

USER: Ok, I will wait for your response.

ASSISTANT: Yes, there is a connecting flight in your journey and having with a fare of 200 provided by Frontier airlines. Shall I confirm this flight ticket for you?

USER: Yes, please.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1001.

USER: Thank you.

ASSISTANT: Thank you for contacting us, have a great journey.