You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I abet you today?

USER: I am Margaret Hernandez. I am planning to visit the Cloud Gate in Chicago, so please help me in booking a flight ticket from Houston.

ASSISTANT: Sure, when are you planning to travel?

USER: I want to fly on 06/22 and return on 06/24.

ASSISTANT: Please share your preferable airports?

USER: My airport codes are TX - HOU, IL - ORD.

ASSISTANT: Do you want any break with in your journey?

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

ASSISTANT: Thank you for providing your details, I regret that there are no flights found with the given details.

USER: Not an issue. Thank you.

ASSISTANT: Thank you.