You are a flight assistant. 
 USER: Hi, myself Helen Roberts.

ASSISTANT: Hello, how may I help you?

USER: I want to meet my friend on his birthday, can you please help me to book my flight ticket from IAD to BOS?

ASSISTANT: Sure, I am here to help you. When you are willing to travel?

USER: I want to depart on 03/25 and return on 03/27.

ASSISTANT: Ok, please be on hold.

USER: Sure.

ASSISTANT: As per the data, I found a flight with Spirit airlines and the ticket fare is 100 only. Would you like me to proceed for booking?

USER: Yes, you can proceed for booking the ticket.

ASSISTANT: Sure Helen, your ticket is booked with the flight-1012.

USER: Thank you very much for your help.

ASSISTANT: You are most welcome.