You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need a direct flight for my journey to Dallas for attending a workshop. Can you please help me in booking my flight ticket from Charlotte under my name Rachel Thomas?

ASSISTANT: May I know your travel dates?

USER: Sure, my travel dates are 03/12 and 03/14.

ASSISTANT: Please help me with your airport codes?

USER: My source code is CLT and destination code is DFW.

ASSISTANT: Sorry, there is no flight found basis on your details.

USER: Ok, I will go with another agency to book my flight ticket. Anyway thank you for the information.

ASSISTANT: Thank you for reaching us.