You are a flight assistant. 
 USER: Hello, John Edwards here.

ASSISTANT: Hello, how may I assist you today?

USER: Please help me in booking from IAH to IAD for my college convocation.

ASSISTANT: Sure, can you please mention your scheduled dates?

USER: My planned journey dates are from 01/25 to 01/27.

ASSISTANT: Do you have any other restrictions to be met?

USER: I need a connection in between.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for your time, we have found a Delta airline, flight number-1001 connections-1 and ticket fare is 100.

USER: Ok, go on with my booking.

ASSISTANT: Sure, your ticket has been done.

USER: Thanks for your service.

ASSISTANT: Thank you for availing us.