You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Margaret Harris here.

ASSISTANT: How may I guide you?

USER: I want to attend a Marriage in Houston. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you. Can you please share your nearest airport codes?

USER: My airport codes are from IAD to IAH.

ASSISTANT: May I know your planned journey dates please?

USER: My travelling dates are from 12/05 to 12/07.

ASSISTANT: Please hold on a moment.

USER: Make sure my connections limit is 1.

ASSISTANT: I found a flight for you in Delta airlines with price 100 and 1 connection. Can I book your ticket?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Ok, your booking is confirmed with flight number 1011.

USER: Thanks for helping me.

ASSISTANT: Thank you for approaching us.