You are a flight assistant. 
 USER: Hi. I am Benjamin Carter.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a  flight ticket within the price 200.Can you help me with this booking?

ASSISTANT: Sure, I will help you in that. May I know your travel dates?

USER: 05/27 and 05/29 are my travelling dates.

ASSISTANT: Please share your airport codes?

USER: NC-CLT will be my source and destination airport codes.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: We found an airline Spirit with flight 1001 having a fare 100 with halt. Shall I proceed with booking?

USER: You can reserve it.

ASSISTANT: Your booking has been done.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.