You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I assist you today?

USER: I would like to have a Luncheon with my clients in the Lancaster Hotel at Houston, TX - IAH. Can you book a flight ticket on 10/18?

ASSISTANT: Sure, may I know your source point?

USER: My source is from Charlotte, CLT.

ASSISTANT: Please provide me your return date.

USER: I would like to return on 10/20.

ASSISTANT: May I know your good name?

USER: My name is Michael Collins.

ASSISTANT: Please wait for a moment. I will check the availability of the flights.

USER: Sure.

ASSISTANT: We are glad to say that, we found an airline: Southwest, flight number: 1023 and price is 400. Shall I proceed to booking?

USER: Ok, you can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your kind response.

ASSISTANT: Thank you for reaching us.