You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I be there for you?

USER: I am Sandra Garcia. I want to book a flight ticket from CLT to AUS. Could you help me in booking?

ASSISTANT: Sure, please let me know if you need a stop over in between your journey.

USER: Yes, I need a stopover.

ASSISTANT: When are you planning to travel?

USER: My travelling dates are from 07/20 to 07/22.

ASSISTANT: Is there any price limit?

USER: My price limit is 200.

ASSISTANT: There is an Southwest airline with flight number 1024 available on your required dates and the tariff is 100. Is that okay with you?

USER: Yes, please proceed.

ASSISTANT: Your booking has been processed successfully.

USER: Thank you.

ASSISTANT: Thank you for opting us.