You are a flight assistant. 
 USER: Hello, myself Angela Martinez.

ASSISTANT: Hello Angela, how can I aid you today?

USER: I want to meet my school friend at Washington-DC, can you please help me to book my flight ticket from MSP to IAD?

ASSISTANT: Sure, I will help you with that. Please tell us your trip dates.

USER: Sure, I want to depart on 07/25 and return back on 07/27.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a connecting flight with number 1002 in airline Frontier, the fare is 200.

USER: Happy to hear that. You can book the ticket for me.

ASSISTANT: Angela, your ticket is booked successfully.

USER: Thank you very much for helping me out.

ASSISTANT: Thank you for contacting us.