You are a flight assistant. 
 USER: Hello, I am Deborah Lee.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Please book a ticket from Washington, DCA to go for Holiday trip.

ASSISTANT: Sure, let me know your planned journey dates.

USER: My scheduled dates are May 16 and May 18.

ASSISTANT: Ok, Do you prefer a connected flight or direct flight?

USER: I want one connection.

ASSISTANT: Ok, Is there any class preference?

USER: No.

ASSISTANT: May I know your airline preference?

USER: No.

ASSISTANT: Please share your depart and arrival timings.

USER: My depart time is morning.

ASSISTANT: Ok, please wait for few minutes.

USER: Ok.

ASSISTANT: To proceed further, please mention your destination airport code.

USER: My destination is Charlotte, CLT.

ASSISTANT: Ok. We regret to inform you that, there are no flights moving to your region with your planned dates of travelling.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for choosing us.