You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My name is David Smith.

ASSISTANT: Yes Smith.

USER: I'm planning to take my kids to Houston Zoo as this is a time for them to visit such places, could you please check for the availability of flight from CLT to HOU?

ASSISTANT: Sure, I will help you. May I know your travelling dates?

USER: My preferable dates are from 08/21 to 08/23.

ASSISTANT: Ok, give me a moment.

USER: Ok.

ASSISTANT: I found a flight for you with the best airline Southwest and flight number is 1006. Shall I proceed for booking?

USER: That's nice, please proceed with the booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for booking the ticket.