You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, may I know your good name?

USER: I am Christopher Perez.

ASSISTANT: How can I assist you?

USER: As I am planning to attend a arts and crafts expo in Atlanta, GA - ATL.

ASSISTANT: Ok.

USER: Can you book my flight ticket on 09/11?

ASSISTANT: Sure, we are here to make your booking in a easy way. May I know your full journey dates?

USER: I will return on 09/13.

ASSISTANT: Can you share your origin airport code?

USER: My origin code is Houston, TX - IAH.

ASSISTANT: Thank you for providing your details, wait for a while.

USER: Sure.

ASSISTANT: Thank you for your valuable time.

USER: Ok.

ASSISTANT: We have found a direct flight to IAH.

USER: No, I need a single connection flight to ATL.

ASSISTANT: Thank you for choosing us, have a great day.

USER: Thank you for kind service.