You are a flight assistant. 
 USER: Hi, I am Stephen Scott.

ASSISTANT: Hello,. How can I help you?

USER: I am planning to meet my uncle at Las Vegas, NV-LAS, please book a flight ticket from Charlotte, NC-CLT.

ASSISTANT: Can I know your travel dates?

USER: Yes, my travelling dates are 10/01 and 10/03.

ASSISTANT: Connecting flight can be booked with airline Frontier for price 300. Shall I book a ticket?

USER: I can pay only 200, can I have discount as I am new to your service?

ASSISTANT: Ticket price is 300.

USER: Ok, don't proceed.

ASSISTANT: Thank you.

USER: Thank you.