You are a flight assistant. 
 USER: Hello, I am Sarah Robriguez.

ASSISTANT: How may I help you?

USER: I am happy that my school friends planned a trip on 06/06 to Washington, DC - DCA. Can you help me in booking?

ASSISTANT: Sure, may I please know your starting point of journey?

USER: My origin is MN - MSP.

ASSISTANT: When would you like to return?

USER: I would like to return on 06/08. Make sure that I need one connection.

ASSISTANT: Ok. I got a flight for you. Details are: airline is Frontier, number is 1000, price is 100 and connection is 1. Shall I book it?

USER: Yes, you can.

ASSISTANT: Your ticket has been booked.

USER: Thanks for booking my ticket.

ASSISTANT: Thanks for opting us.