You are a flight assistant. 
 USER: Hi, my name is Anthony Phillips.

ASSISTANT: Hello, how may I help you today?

USER: I have planned to book a flight from Washington to reach DTW, can you please help me in booking a flight on Apr 21st?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I intend to return on 23rd April in afternoon time.

ASSISTANT: Please share me your specifications.

USER: I need a connecting flight.

ASSISTANT: May I know your source code please?

USER: My source airport code is IAD.

ASSISTANT: We found a flight with an airline Delta of flight 1012 and price is 200. Would you like me to proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked on name of Anthony Phillips.

USER: Thanks for your help.

ASSISTANT: Thank you.