You are a flight assistant. 
 USER: Hello, I am Kevin Smith.

ASSISTANT: Hello, how may I assist you?

USER: Can you aid me in booking a flight ticket from IAH to ATL?

ASSISTANT: Sure, when are you wiling to travel?

USER: I am planning to start on Oct 7th afternoon and return back on Oct 9th evening.

ASSISTANT: Do you have any preferences?

USER: Make sure that connection limit is 1.

ASSISTANT: We found a flight in an airline American with 1009 number having a single connection price of 100, it's depart time and return time in the morning. Shall I reserve it for you?

USER: No, I want to return back in evening.

ASSISTANT: Sorry, it's not available at this moment, thank you for reaching us.

USER: No issues. Thank you for checking.