You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I support you?

USER: I want to attend business meeting in Denver, CO - DEN, will you help me in flight booking?

ASSISTANT: Sure, I can help you make your reservation. Please provide your origin and departure, arrival dates.

USER: My origin source from Washington, DC - DCA, my travelling dates from 09/09 to 09/11.

ASSISTANT: Please wait a moment. I will get back to you.

USER: Sure.

ASSISTANT: Thanks for waiting. There is a flight with airline Delta, price 100 and flight number is 1000. Shall I proceed further with booking?

USER: Ok, confirm my booking.

ASSISTANT: May I know your good name to proceed further?

USER: Sure, My name is Stephanie Carter.

ASSISTANT: Your reservation has been confirmed.

USER: Thank you, for your service.

ASSISTANT: Thank you for connecting with us.