You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Jonathan Perez, I want to fly from Dallas TX-DFW. Assist me in booking my flight ticket to reach Washington DC-IAD.

ASSISTANT: Sure, could you please share your price limit?

USER: My fare in reserving my flight ticket is 5000.

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

USER: I prefer a stopover with in my journey.

ASSISTANT: May I know when you are willing to travel?

USER: I am planning to reach my destination on 11/04. My return date to my source point is on 11/06.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Thank you for your time, sorry, no flight available on that day.

USER: No problem, I will find out other alternative. Thank you for your effort.

ASSISTANT: Thank you for opting us.