You are a flight assistant. 
 USER: Hello, I am William Hernandez.

ASSISTANT: Hello, how can I  aid you today?

USER: As, I am a racer, I want to participate in a race which is going to be held in Woodward avenue in Detroit, DTW. Can you help me to book a direct flight?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates to book a flight ticket?

USER: Thank you. Please check the availability of tickets on the dates of Apr 06 and 08.

ASSISTANT: May I know your source point?

USER: My source is from Los Angeles, LAX.

ASSISTANT: Do you need any other specifications?

USER: No.

ASSISTANT: Ok, wait for some time.

USER: Sure.

ASSISTANT: We found Delta airline with direct flight and airline number 1004 fare of 200 and economy class and departure time is 23 PM arrival time is 21PM. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your kind assistance.

ASSISTANT: Thanks for approaching us.