You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I  help you?

USER: Myself Sharon Phillips. Can you help me in booking a connecting flight from DEN to DCA?

ASSISTANT: Your travelling dates please?

USER: My trip dates are Nov 5 to Nov 7.

ASSISTANT: Do you have any specifications?

USER: My depart time should be in the morning.

ASSISTANT: I am sorry no flights found on your route.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.