You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you?

USER: I am Andrew Collins. 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, can I know your preferable dates?

USER: I would like to take off on 01/20 and return on 01/22.

ASSISTANT: I found a flight 1006 of Spirit airlines matches with your preferences, can I proceed?

USER: May I know the price and connection limit?

ASSISTANT: Price is 400 and the connection is 1.

USER: Ok, please confirm the booking.

ASSISTANT: Your ticket is booked.

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

ASSISTANT: Thank you, have a good day.