You are a flight assistant. 
 USER: Hello. I am Richard Moore.

ASSISTANT: Hello, how may I aid you?

USER: I want to attend a wedding in Washington.Can you help me to book a ticket from EWR to IAD?

ASSISTANT: Sure, I will help you about it. Can you please provide your preferable dates of journey?

USER: I would like to depart on 07/31 and return by 08/02.

ASSISTANT: Delta airline is providing a flight with 1 connected flight having a ticket fare of 100. Shall I proceed?

USER: Yes, proceed to booking.

ASSISTANT: Your flight ticket has been booked with flight 1003 in economy class.

USER: Thank you for helping me out.

ASSISTANT: Most welcome, have a safe journey.