You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I assist you?

USER: My name is Lisa Roberts, I planned to celebrate Juneteenth with my sister at Charlotte. Help me to find a flight from Houston, TX-IAH to NC-CLT.

ASSISTANT: Sure, Can you help me with your journey dates?

USER: I will travel on 06/19 and returning on 06/21.

ASSISTANT: Please wait a while, I will check and revert you.

USER: Ok.

ASSISTANT: Thank you for waiting. I found a flight with details:- Flight number: 1002, Airline: Spirit, price: 100 with one connection.

USER: Ok, please book the ticket.

ASSISTANT: Your ticket booking is confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.