You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Myself Angela Collins. I am looking for a flight from DCA to DEN, can you help me in booking the flight ticket?

ASSISTANT: Sure, please share your planned trip dates?

USER: Sure, my planned travel dates are 11/05 and 11/07.

ASSISTANT: Ok, any other requirements to be met?

USER: Yes, I need a connecting flight under 200 price limit.

ASSISTANT: Ok, no flights found with your requested details.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for reaching us.