You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I have to attend a Live Concert at Detroit, could you please help me with booking a flight ticket from DCA to DTW?

ASSISTANT: Sure, I am glad to help you. When are you planning to start and return?

USER: I would like to depart on Apr 3rd and return on Apr 5th.

ASSISTANT: Ok, please specify your name.

USER: I am Donna Miller.

ASSISTANT: Do you prefer a connected flight or a direct flight?

USER: I am looking for a connecting flight.

ASSISTANT: Is there any other concerns?

USER: I have no other concerns.

ASSISTANT: Ok, wait for a minute.

USER: Sure, take your time.

ASSISTANT: We found a connecting flight with a fare of 100 in 1007 Hawaiian Airline, shall I proceed?

USER: Please confirm the booking.

ASSISTANT: Ok, your ticket has been confirmed in economy class.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for availing us.