You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I want to visit Detroit next month, can you please book a flight ticket from Washington?

ASSISTANT: Sure, could you please provide your dates of journey?

USER: I want to departure on 10/12 and please book my return ticket also on 10/14.

ASSISTANT: Ok, may I know your respective airports codes please?

USER: My departure airport is IAD and destination airport is DTW.

ASSISTANT: Could you please help me with your name?

USER: Sure, my name is Sarah Jones.

ASSISTANT: Jones, the flight with the cost 100 of connecting flight with the airline Southwest, shall I proceed to book?

USER: I am comfortable with this flight, please proceed.

ASSISTANT: Your ticket has been confirmed with the flight number 1018.

USER: Thank you for your help.

ASSISTANT: You are welcome and have a happy journey.