You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please reserve me a flight ticket from DCA to DFW?

ASSISTANT: Sure, may I know your good name?

USER: I am Rebecca Davis.

ASSISTANT: Could I have your trip dates, please?

USER: My trip dates are Oct 31 and Nov 02.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Sorry, there are no flights available as per your requirements.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.