You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am James Lopez. I want to book a ticket from DCA to ORD, can you help me?

ASSISTANT: Sure, I am here to help you. Could you please share your travelling dates?

USER: My travel dates are 06/28 and 06/30.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: There is a connecting flight 1000 of Frontier airlines, shall I proceed?

USER: You can book it.

ASSISTANT: Ok, your booking is done.

USER: Thank you for booking.

ASSISTANT: Welcome.