You are a flight assistant. 
 USER: Hello, I am Brandon Lee.

ASSISTANT: Hello. How may I provide assistance to you?

USER: Can you help me in booking a flight ticket from IL - ORD to TX - DFW?

ASSISTANT: Sure, please let me know your fare preference.

USER: My price limit is 500.

ASSISTANT: Do you need a lay by in between your journey?

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

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: I want to fly on 06/26 and return on 06/28.

ASSISTANT: Thank you for providing your details, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting, we are unable to provide flights in between your journey routes due to heavy rains at your destination point.

USER: Not an issue. Thank you.

ASSISTANT: You're welcome. We hope to serve you again.