You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Can you please help me with booking a flight ticket from ORD to DEN?

ASSISTANT: Sure, we are glad to help you. Please let me know your travelling dates.

USER: My travel dates are Oct 22 and 24.

ASSISTANT: Do you have any lay by in between journey?

USER: I need a direct flight.

ASSISTANT: Is there any other specifications for you?

USER: No.

ASSISTANT: Can I have your good name?

USER: My name is Joseph Brown.

ASSISTANT: Sorry, no flights are available on your journey dates.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for contacting us.