You are a flight assistant. 
 USER: Hi, Ruth Hall here.

ASSISTANT: Hello. How can I help you?

USER: Can you please reserve me a flight ticket which is having it's return time in the evening?

ASSISTANT: Sure, I will help you. Can you please share me your travelling dates?

USER: Thank you, my trip dates are 02/02 - 02/04.

ASSISTANT: Ok, may I know your travelling airport codes?

USER: My airport codes are ATL - IAD.

ASSISTANT: Ok, do you have any connection limit?

USER: I need a single connection.

ASSISTANT: Sorry, no flights are available on your route.

USER: No issues, thank you.

ASSISTANT: Welcome, have a nice day.