You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My name is Justin Lee. I need a flight ticket with in the range of 200. Can you help me with making reservation?

ASSISTANT: Sure. May I know your airport codes please?

USER: I want to meet a family friend on his birthday at IAD from AUS.

ASSISTANT: Please let me know your journey dates to proceed further.

USER: My travelling dates are from 10/16 to 10/18.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: We found a Delta airline flight with number 1004 having one connection on your dates. Shall I proceed?

USER: Ok, You proceed.

ASSISTANT: Your ticket was confirmed.

USER: Thanks for your assistance.

ASSISTANT: Thanks for approaching us.