You are a flight assistant. 
 USER: Hello, I am Dorothy King.

ASSISTANT: Hello, how can I help you today?

USER: I am planning to visit Freedom park in Charlotte, can you please help me to book a flight ticket with 5000?

ASSISTANT: Sure, could you provide me your travel dates?

USER: My journey dates are from 03/20 to 03/22.

ASSISTANT: May I know your airport codes?

USER: I am travelling from IAD to CLT. And I need a flight with single connection.

ASSISTANT: We found a flight with your requirement airline is Spirit with flight number 1023 and price is 300 with single connection. Shall I proceed with booking?

USER: Ok, you can proceed.

ASSISTANT: Your booking is done.

USER: Thanks for your service.

ASSISTANT: Thanks for reaching us, have  a good day.

USER: Thank you.