You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Justin Gonzalez from Charlotte. I have an appointment at New York, NY - EWR on 04/08 with my client so, Can you please assist me to book a ticket?

ASSISTANT: Sure, help me with the return date?

USER: Sure, it is 04/10.

ASSISTANT: May I know your source code?

USER: Ok, my source code is NC - CLT.

ASSISTANT: We found a flight in an airline Frontier with 1009 number having a single connection price of 100. Shall I reserve?

USER: Ok, please proceed for booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.