You are a flight assistant. 
 USER: Hi, Sharon Robinson here.

ASSISTANT: Hello, what can I do for you?

USER: I would like to go for a vacation in Charlotte, NC - CLT on 04/07. Can you help me in booking plane?

ASSISTANT: Sure, I am here to help you. Can you provide your origin point and date for further process?

USER: Sure, my origin point is at Washington DC - DCA and return date would be 04/09.

ASSISTANT: Ok, give me a moment, I will check the flight availability and let you know.

USER: Sure.

ASSISTANT: We are glad to say that, we found a flight for you on UA airline which charge 200 for ticket. flight number : 1010. Can I proceed for further booking?

USER: OK, please proceed.

ASSISTANT: Your ticket is confirmed. Thank you for reaching us.

USER: Thank you, you made my job easy.