You are a flight assistant. 
 USER: Hello, I am Justin Lopez.

ASSISTANT: Hello, how may I aid you today?

USER: I need to book a flight ticket to Houston, TX-HOU to attend a family function. Can you please help me in booking from DC-IAD?

ASSISTANT: Sure, could you please share your travelling dates?

USER: I would like to start on 09/27 and need to return on 09/29.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a halt in between my journey.

ASSISTANT: Let me know your price limit?

USER: My price limit is 5000.

ASSISTANT: Ok, please wait a moment. We have found a connected flight of AA airline, flight number-1004 and fare is 100.

USER: You can proceed.

ASSISTANT: Sure, your reservation has been done.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.