You are a flight assistant. 
 USER: Hello, I am Alexander Nelson.

ASSISTANT: Hello, how can I assist you?

USER: I want to book a flight ticket with fare of 200 to meet my family friend. Can you please help me in that?

ASSISTANT: Sure, we are happy to help you. Please share your preferable airport codes?

USER: My origin airport is NC-CLT and destination airport is NV-LAS.

ASSISTANT: Please forward your dates of journey?

USER: My travelling dates are from 08/19 to 08/21.

ASSISTANT: Please wait a while.

USER: Sure.

ASSISTANT: Thanks for your patience. There is a flight found with Spirit airlines and flight number is 1024. Shall I proceed for booking?

USER: Ok, you can proceed for booking.

ASSISTANT: Your reservation has been done.

USER: Thanks for helping me in book a ticket.

ASSISTANT: Thank you for approaching us.