You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Angela Nelson here.

ASSISTANT: What type of assistance that you are seeking from our agency Nelson?

USER: I want to travel from DC-DCA to MN-MSP for attending a seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am glad to help you. Can you please provide your planned dates of travelling?

USER: My departure date is 07/04 and return date is 07/06.

ASSISTANT: Please wait a moment to check the flights availability.

USER: Ok, I will wait.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 100 provided by Delta airlines. Shall I proceed with this?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, your ticket has been done in flight number 1003.

USER: Thanks for helping me.

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