You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: My name is Rebecca Thomas. I am looking to book a flight ticket to attend a friend's anniversary in Boston, can you help me for booking a flight ticket from DCA to BOS?

ASSISTANT: Sure Thomas, can you please share me with your dates of travel?

USER: My travelling dates are 10/20 and 10/22.

ASSISTANT: Please wait for a moment to check for the availability of a ticket.

USER: Sure, I wait for your response.

ASSISTANT: I found a flight with the Delta airline of connecting flight and the fare is 300, are you ok with this booking?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, your ticket has been reserved with the flight number 1020.

USER: Thank you for booking.

ASSISTANT: You are welcome, have a safe journey.