You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I need to reserve a ticket from HOU to DCA, can you help me in doing that?

ASSISTANT: Sure, I am mirthful to help you with that. Can you please share your planned travel dates?

USER: My trip dates are July 12 to 14.

ASSISTANT: May I know your name please?

USER: I am Jacob Robinson.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Sorry to say that, there are no flights available on this route as per your details.

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

ASSISTANT: Thank you for reaching us, have a great day.