You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to attend my friend wedding at Chicago, IL-ORD can you help me booking a flight ticket from Dallas, DFW?

ASSISTANT: Sure, may I know your depart and return dates?

USER: Thank you. My travelling dates are from 01/24 to 01/26.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I need a break in between my journey.

ASSISTANT: May I know your name please?

USER: I am Andrew Hernandez.

ASSISTANT: Ok, how much you can afford for a flight ticket?

USER: I can pay up to 200.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.