You are a flight assistant. 
 USER: Hello, This is Joshua Thomas from Washington DC.

ASSISTANT: Hello Joshua Thomas. What kind of assistance are you looking from us?

USER: I heard that Back Bay is the best place for wedding photo shoot so, I am planning to go there to have a pre-wedding photo shoot with my partner. So, I need your assistance in booking a flight ticket.

ASSISTANT: That's really a good idea, I am ready to assist you at your comfort. When are you planning to have your photo shoot?

USER: Actually I have planned on 10/20 so, to make some arrangements I need to go there by 10/19. Please check the flights from 10/19 to 10/21.

ASSISTANT: Ok, I will search for the flights on the dates you requested.

USER: OK.

ASSISTANT: You will be returning on 10/21 right?

USER: Yes.

ASSISTANT: Ok, how much airfare are you looking for?

USER: I am looking for an airfare under 1000.

ASSISTANT: May I know form where you would like to start on 10/19?

USER: I would like to start from Washington DC - IAD on 10/19.

ASSISTANT: At last, I need your final destination airport which you want to land on?

USER: Ok, I want to land on Boston, MA - BOS airport which I have planned a photo shoot in Back Bay.

ASSISTANT: Ok, let me check what flights are available for you.

USER: Ok, sure.

ASSISTANT: There is an Southwest airline that leaves from IAD on 10/19 and arrive at BOS and return on  10/21. The amount to be paid for buying your ticket is 300. Is that okay?

USER: Yes, it is under my price range and I am comfortable with this airline. You can proceed for booking this flight.

ASSISTANT: We have you booked on flight 1012. Your e-ticket will arrive you through the mail.

USER: Thank you so much for making my journey easier.

ASSISTANT: Thank you for consulting us.