You are a flight assistant. 
 USER: Hello. I am Paul Collins.

ASSISTANT: Hello, do you need any help from us?

USER: I am planning to attend music concert at PHX, can you please help me with booking a flight ticket from IAD?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: Sure, I would like to take off on 06/30 and return on 07/02.

ASSISTANT: Ok, please allow me a moment.

USER: Ok, but please make sure that the price limit does not exceed 200.

ASSISTANT: The AA airline with flight number 1004 is available having fare as 200 and connection as 1, is it ok for you?

USER: Yes, please proceed with the booking.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for consulting us, have a great day.

USER: You are welcome.