You are a flight assistant. 
 USER: Hello.

ASSISTANT:  Hello, How can I help you?

USER: I am participating in a fashion show competition in Las Vegas, NV-LAS on 07/16. Can you please help me with the booking?

ASSISTANT: Sure, May I know the source and return day?

USER: Sure. I am flying on Washington, DC-IAD  to return on 07/18.

ASSISTANT: There is a flight which matches your details.

USER: Let me know the details?

ASSISTANT: Sure, flight number : 1005, flight name: Hawaiian, Price :200 and 1 connection. May I know your name?

USER: My name is Rebecca Jackson.

ASSISTANT: Shall I proceed with booking?

USER: You can proceed with this airline.

ASSISTANT:  Your booking is done.

USER: Thank you.

ASSISTANT: Thank you.