You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Edward Collins from Washington. Can you please book a flight ticket from IAD to IAD?

ASSISTANT: Sure, I am here to help you with the ticket booking. Could you please help me with your planned travel dates?

USER: Thank you for your positive response, I want to take off on 10/15 and please confirm my return ticket also on 10/17.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: The Frontier airlines is found in this route which is having a single halt and the price is 100. Can you confirm me whether to book the ticket or not?

USER: That's perfect, please confirm this flight ticket for me.

ASSISTANT: Ok, I have booked your ticket with the above mentioned airlines and the flight number is 1005.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for consulting us.