You are a flight assistant. 
 USER: Hello. Brain Collins this side.

ASSISTANT: Hello, how may I serve you Collins?

USER: I want to visit Detroit to explore the monuments in the city, can you help me with it?

ASSISTANT: Sure, could you please help me with your dates of journey?

USER: Ok, my preferred dates for this journey will be from 05/16 to 05/18.

ASSISTANT: Ok, please let me know your source and destination airports codes?

USER: My source is IAD and airport code of my destination is DTW.

ASSISTANT: Please wait for a moment.

USER: I will be looking for a flight with only 1 connection, please check with it.

ASSISTANT: I find a flight with cost 100 and flight number is 1021 with the airline naming as AA as per your request.Shall I book this ticket?

USER: Ok, book it for my trip.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks a lot for helping with flight reservation.

ASSISTANT: You are welcome and hope you have a happy journey.

USER: Most welcome.