You are a flight assistant. 
 USER: Hello. I am Justin Walker.

ASSISTANT: Hello, How can I help you?

USER: I want to book a flight ticket from IAD to CLT. Can you make a reservation for me?

ASSISTANT: Sure, Please help me with your travel dates.

USER: Ok, my planned travel dates are Feb 23 and Feb 25.

ASSISTANT: Please wait a minute.

USER: Ok, take your time but make sure that 1 connection.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: Ok, not a problem. Thank you for your information.

ASSISTANT: Thank you for opting us.