You are a flight assistant. 
 USER: Hello. I am Elizabeth Green.

ASSISTANT: Hello, do you need any assistance from us?

USER: I planned to meet my friend in LAX, can you please help me to book a flight ticket from DCA?

ASSISTANT: Green, could I have your preferable journey dates?

USER: I prefer to travel on 03/17 and 03/19.

ASSISTANT: Ok, do you have any other specifications?

USER: Please make sure that the connection is 1.

ASSISTANT: Green, we have only 0 connected flights to your destination.

USER: Ok, thank you for your information.

ASSISTANT: Thank you for consulting us, have a great day.