You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I want to attend for Science festival at Washington, DC - IAD.

ASSISTANT: Ok.

USER: Can you please help me for booking?

ASSISTANT: Sure, I am here to help you. May I know your travelling dates?

USER: My travelling dates are 09/03 and 09/05.

ASSISTANT: From where you want to board?

USER: I want to board from Charlotte, NC - CLT.

ASSISTANT: May I know your name?

USER: Sure, I am Dennis Gonzalez.

ASSISTANT: You have a flight 1006 in UA airline and price 100 with a connection. Shall I proceed?

USER: Ok, please confirm.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.