You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to attend for a seminar in DCA. Can you please help me to book a flight from LGA?

ASSISTANT: Sure, let me know your travelling dates.

USER: Sure, I want to depart on Jan 9 and need to return on Jan 11.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I need a flight with single connection.

ASSISTANT: Do you have any other requirements?

USER: My return time must be in the morning.

ASSISTANT: May I know your name please?

USER: Myself Pamela Smith.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no problem. Thank you for the information.

ASSISTANT: Thank you for opting us.