You are a flight assistant. 
 USER: Hi, Jack Wilson here.

ASSISTANT: Hello Jack, how may I help you?

USER: I want to attend my friend's wedding at Washington-DC, can you please help me to book my flight ticket from DFW to IAD?

ASSISTANT: Jack, could you please share me your travel dates?

USER: Sure, I will start my journey on 06/08 and return on 06/10.

ASSISTANT: Ok,  please wait for a second.

USER: Sure.

ASSISTANT: There is a flight with AA airlines and the ticket cost is 100. Shall I proceed for booking?

USER: I am comfortable with this flight, please book the ticket.

ASSISTANT: Jack, your ticket is booked with the flight-1001.

USER: Thank you very much for you help.

ASSISTANT: Thank you Jack for contacting us.