You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am a politician, I have to meet Donald Trump. So please book my ticket from JFK to DCA.

ASSISTANT: Yes, can you share me your dates of travel?

USER: My itinerary dates are Dec 21 and Dec 23.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Sorry to inform you that there are no flights found on your requested dates.

USER: No problem, thank you.

ASSISTANT: Can I know your name for documentation?

USER: William Lopez here.

ASSISTANT: Thank you for reaching us.