You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I need to book a flight ticket from IAD to BOS, Can you please help me for booking?

ASSISTANT: Sure, may I know the planned travel dates?

USER: I would like to travel on 04/26 to return on 04/28.

ASSISTANT: Please provide me the specifications.

USER: I need a normal cost airline.

ASSISTANT: May I know the name?

USER: Patricia Collins here.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Here, I found a flight with 1 connection and airfare is about 100. Shall I proceed with booking?

USER: Ok, proceed for booking.

ASSISTANT: In an economy class, your ticket has been confirmed for the flight 1007 in Delta Airlines.

USER: Thanks for your information.

ASSISTANT: Thank you for reaching us.