You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER:  I am Shirley hill want to visit Natural History Museum at NV-LAS with my kids. Can you book a ticket from DC-IAD?

ASSISTANT: Sure, I can help you.

USER: Thank you.

ASSISTANT: Please provide your price limit.

USER:  I can afford 200.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My travel dates are 02/02 and 02/04.

ASSISTANT: Ok, please wait for a moment.

USER:  Ok.

ASSISTANT: Thank you for waiting, There is a flight found in 1006 AA airline with a fare of 200.

USER: Ok, you can proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER:  Thank you for booking.

ASSISTANT: Thank you for reaching us.