You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Edward Nelson want to visit IAD, can you book a ticket from IAH?

ASSISTANT: Ok, may I know your travel dates?

USER: Sure, my travelling dates will be 07/04 and 07/06.

ASSISTANT: Ok Edward Nelson, wait a moment.

USER: Ok.

ASSISTANT: Here I got a connecting flight-1004 on Delta airlines, shall I proceed?

USER: Ok, proceed with my booking.

ASSISTANT: Ok, your ticket has been done with your name.

USER: Thank you.

ASSISTANT: Thanks for choosing us.