You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I provide assistance to you?

USER: Can you please help me in reserving a flight ticket to DCA from LGA?

ASSISTANT: Sure, to book a ticket can I know your travelling dates please?

USER: My travel dates are from Nov 25 to Nov 27.

ASSISTANT: Do you need any connecting flight or direct flight?

USER: I need a connecting flight.

ASSISTANT: Kindly mention your name please?

USER: I am Brandon Jackson.

ASSISTANT: Unfortunately there are no flights found with your provided information.

USER: Ok, no issues.

ASSISTANT: Thank you for opting us.

USER: Thank you.