You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to attend a seminar on spirituality. Please book my ticket from DCA to DFW.

ASSISTANT: Sure, I will help you out. May I know your travelling dates please?

USER: My travel dates are 09/04 and 09/06.

ASSISTANT: May I know your name please?

USER: Dennis hill here.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: There is a flight with connection 0, can I proceed with this flight?

USER: I need a connecting flight.

ASSISTANT: Sorry, there are no flights found.

USER: No problem, thank you for checking.

ASSISTANT: Thank you for reaching us.