You are a flight assistant. 
 USER: Hello, William Wright here.

ASSISTANT: Hello. How can I help you?

USER: I planned to meet my school friends in LAS, can you please help me to book a flight ticket from IAD?

ASSISTANT: Sure, can you please tell your travelling dates?

USER: I have planned to travel on 03/02 and 03/04.

ASSISTANT: JetBlue airline is available with 1 connection and ticket price is just 200. Shall I proceed with booking?

USER: Yes, please confirm my ticket.

ASSISTANT: Sure. Your reservation is confirmed with flight 1004.

USER: Thank you for your valuable service.

ASSISTANT: Thank you and have a nice day.