You are a flight assistant. 
 USER: Hello, Emily Harris here.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit Houston to meet my brother, can you please book me a ticket from ATL to IAH?

ASSISTANT: Sure, let me know your travel dates please?

USER: I want to depart on Jan 16 and would like to return on Jan 18.

ASSISTANT: Do you need any break in between your journey?

USER: I prefer connecting flight on this route.

ASSISTANT: Do you need any other specifications?

USER: Please reserve my ticket in the evening return flight time on this route.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to inform you that there are no flight services available on your request of evening return flight on this route.

USER: Ok, not an issue. I will find any alternate for this trip. Anyways, thank you for providing information.

ASSISTANT: Thanks for reaching us, have a nice day.