You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I am Brian Phillips. Can you please reserve me a flight ticket which is having it's return time in the afternoon?

ASSISTANT: Can you give me your source and destination?

USER: My airport codes are DFW - DTW.

ASSISTANT: Your travel dates please.

USER: My trip dates are 10/29 - 10/31.

ASSISTANT: Do you need a connecting flight?

USER: I need a single connection.

ASSISTANT: Are there any preferences?

USER: No, thank you for asking.

ASSISTANT: Do you have any specific travelling timings?

USER: Already mentioned above.

ASSISTANT: Delta Airlines flight number 1019 with price 100 and with direct trip with no connections is available. Is it ok for you?

USER: Please reserve.

ASSISTANT: Your tick has been booked. Departure time is 20:00PM and arrival time is 17:00PM.

USER: Thank you.

ASSISTANT: Thank you for reaching us.