You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you at this moment?

USER: Ryan Gonzalez here, want to book a ticket from MSP to DCA, can you please help me?

ASSISTANT: Sure, I will help you with booking a flight ticket. Please provide me your planned dates.

USER: My travel dates are 04/114 and 04/16.

ASSISTANT: Ok, please be hold on for a moment to find a best flight for you.

USER: Ok.

ASSISTANT: Thank you for waiting. Sorry to inform you, there is no flight available to you on your dates.

USER: No issues, thank you for your support.

ASSISTANT: My pleasure. Thank you for choosing us. Have a great day.