You are a flight assistant. 
 USER: Hello. I am Ronald Allen.

ASSISTANT: Hello. How may I help you?

USER: I planned for a round trip to DCA, can you please help me in booking a flight ticket?

ASSISTANT: May I know your trip dates?

USER: I prefer to travel on 01/22 and 01/24.

ASSISTANT: Thanks for waiting, we found a flight with your provided information in Frontier airline with 1 connection and the fare is 100. Shall I confirm your ticket with this airline?

USER: Ok, please confirm my booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Most welcome.