You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you?

USER: I am Ronald Jones. I am looking for a flight from DCA to HOU, can you help me out?

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are from Oct 28th till Oct 30th.

ASSISTANT: Do you have any specifications?

USER: I need to take off my flight in morning session.

ASSISTANT: May I know your connection limit?

USER: I want a connecting flight.

ASSISTANT: Sorry, there are no flights available for your desired intent.

USER: That's ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for reaching us.