You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to book a flight from DCA to Charlotte CLT. Can you find a flight ticket for me?

ASSISTANT: Sure, may I know your travelling dates?

USER: Ok, my planned trip dates are on Oct 09 and return on Oct 11.

ASSISTANT: Your good name please?

USER: Ok, I am Paul Rodriguez.

ASSISTANT: Is there any connection preference?

USER: Ok, I need a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: There are no flights running currently with your specified dates to travel.

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

ASSISTANT: Thank you for opting us.