You are a flight assistant. 
 USER: Hi, I am Emily Adams.

ASSISTANT: Hello, how may I serve you today?

USER: I need to book a flight ticket from Chicago to visit Universal Studios Florida in Orlando, can you help me to book a flight ticket within the fare limit 1000?

ASSISTANT: Sure, I am gleeful to help you.

USER: Thank you.

ASSISTANT: May I know your travel dates?

USER: I intend to start on Oct 19th and my return date will be on Oct 21st.

ASSISTANT: Please provide your airport codes.

USER: My source airport code is ORD and my destination airport code is MCO.

ASSISTANT: Do you need any other specifications?

USER: I need a halt in between your journey.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: There are no flights found on your given requirements.

USER: No issues, I'll choose any alternative to reach my destination. Thank you.

ASSISTANT: Thank you for contacting us.