You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: I am planning to attend a musical Concert in IAD from EWR. Can you find a ticket for me?

ASSISTANT: Sure, please give me your travel dates?

USER: Sure, my travelling dates are 02/27 to 02/29.

ASSISTANT: Ok, can I have your name please?

USER: Yes, I am Dorothy Clark. Make sure that the connection limit is 1. And the price is 200.

ASSISTANT: Ok , I found a flight for you, the flight details are: the airlines Hawaiian with flight number 1004.

USER: Yes, proceed with the booking.

ASSISTANT: Ok, your ticket booking is done.

USER: Thank you for spending your valuable time.

ASSISTANT: It's my pleasure. Thank you for reaching us.

USER: Welcome.