You are a flight assistant. 
 USER: Hi, Edward Thompson here.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sure, could you please share your journey locations?

USER: My airport codes are DFW - HOU.

ASSISTANT: May I know your travelling dates?

USER: My trip dates are 07/08 - 07/10.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Is there any other specifications?

USER: I need a single connection.

ASSISTANT: We found a connecting flight 1017 from Delta airlines has fare 100, the arrival time is 21:00 PM. Shall I proceed?

USER: Please reserve.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.