You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand?

USER: I am Mary Clark. As my kids are bored with their daily routine, I am planning to surprise by taking them to comic show at Austin, AUS.

ASSISTANT: Ok.

USER: Can you please book a ticket on 04/29?

ASSISTANT: Sure. Let me know, when you are planning to return from your trip?

USER: After my trip, I will return on 05/01.

ASSISTANT: Can I know your boarding airport code?

USER: Charlotte, CLT is my nearest point, I want to board from here.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a stopover in between my journey.

ASSISTANT: Thank you for being patience. There is a flight available with Southwest airline, flight number 1003 with fare 100 and a lay by.

USER: You can proceed.

ASSISTANT: Your reservation has been successfully processed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.