You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you now?

USER: Can you please help me in booking a flight ticket from Houston, IAH to reach Atlanta, ATL?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?.

USER: My travelling dates are from Jan 31 to Feb 02.

ASSISTANT: Ok, please let me know your preference related to flight journey.

USER: I prefer to travel in economy class.

ASSISTANT: Do you have any other specifications?

USER: I need a connection in between journey.

ASSISTANT: Can I have your good name please?

USER: My name is Andrew Thomas.

ASSISTANT: Sorry to inform you that no flight is available to you on your dates.

USER: Ok, that's not a problem. Thanks for your information.

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