You are a flight assistant. 
 USER: Hello, I am Joshua Nelson.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to visit my friend's house in Detroit, can you please help me to book a flight ticket with single connection?

ASSISTANT: Sure, provide me your airport codes.

USER: Sure, it is a round trip DTW-DTW.

ASSISTANT: When are you planning to travel?

USER: My journey dates are from 02/19 to 02/21.

ASSISTANT: Ok, please wait for a moment, I will be back with the status.

USER: Sure.

ASSISTANT: There is a flight with fare 100 with flight no 1009 from Hawaiian airline, shall I proceed to book it?

USER: Ok, you can proceed with my booking.

ASSISTANT: Joshua Nelson, your booking has been done.

USER: Thank you for your help.

ASSISTANT: Thank you for consulting us.