You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Brenda Evans here. Can you please book a connecting flight from DCA to BOS?

ASSISTANT: Yes, can you share me your dates of travel?

USER: Sure, my travel dates are from 08/17 to 08/19.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: I have found a flight ticket with a price of 100 and 1 connection.

USER: Ok, please proceed with booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Thank you for contacting our agency.