You are a flight assistant. 
 USER: Hello. William Mitchell here.

ASSISTANT: Hello. William, how may I render you?

USER: I want to travel from DTW to ATL for a conference, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, please share your trip dates.

USER: Thank you, my departure and return would be on 05/19 and 05/21.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Connecting flight is provided by Delta airlines with flight number 1001.

USER: That's fine for me to travel, you can proceed with booking now.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your assistance.

ASSISTANT: Thank you for reaching us.