You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to book a flight ticket from GA - ATL to TX - IAH fro organizing an event in IAH.

ASSISTANT: That's good, may I know your travelling dates?

USER: My travelling dates are 01/26 and 01/28.

ASSISTANT: Before proceeding, please tell me your name.

USER: I am Virginia Scott.

ASSISTANT: Sorry for inconvenience, there is no flight available with your provided details.

USER: Thank you for the information.

ASSISTANT: You are welcome.