You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am looking for a flight from PHX to DCA, can you help me in booking?

ASSISTANT: May I know your trip dates?

USER: Sure, my planned travel dates are Dec 06 and Dec 08.

ASSISTANT: Do you have any connecting limit preferences?

USER: Please look for a direct flight.

ASSISTANT: May I know your class preferences?

USER: No, I don't have any specifications.

ASSISTANT: Please share your name to proceed for booking?

USER: Myself Angela Taylor.

ASSISTANT: No flights found as per your preferences Angela.

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

ASSISTANT: Thank you for reaching us.