You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you for today?

USER: I am Barbara Carter. Could you please be my helping hand in booking a flight ticket from Washington, DC - DCA to Atlanta, GA - ATL?

ASSISTANT: I am glad to help you about your flight ticket booking Carter, can you please provide your planned dates of journey?

USER: My trip dates are 07/12 - 07/14.

ASSISTANT: Please be on hold to check the available flight to your route.

USER: Sure.

ASSISTANT: I regret to say this Carter, there are no flights on your planned dates of journey.

USER: Not a problem, thank you for your information.

ASSISTANT: You are welcome, thank you for reaching out here. Hope you have a nice day ahead.