You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Rachel Campbell. I need to book a ticket from CLT to DTW, can you please help me in doing that?

ASSISTANT: Sure, let me know your travelling dates?

USER: My travelling dates are Jan 19 to Jan 21.

ASSISTANT: How much can you afford for your flight ticket?

USER: My budget limit is 200.

ASSISTANT: Do you need any halt in between your journey?

USER: I need one stop over.

ASSISTANT: We found a Frontier airline with flight number 1002 price is 100. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.