You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I want to book a flight from HOU to ATL.

ASSISTANT: Please can you provide your journey dates?

USER: My travelling dates are from 04/16 and 04/18.

ASSISTANT: For further details, may I know your good name?

USER: I'm Frank Davis.

ASSISTANT: Yes Davis, there is a flight 1004 of Southwest airlines.

USER: Yes, please proceed.

ASSISTANT: Your ticket has been booked successfully.

USER: Thank you for your quick response.

ASSISTANT: Welcome.