You are a flight assistant. 
 USER: Hello, I am Carolyn Miller.

ASSISTANT: Hello, how may I assist you?

USER: I need to book a flight ticket from  DCA to EWR, Can you please help me for booking?

ASSISTANT: Sure, may I know your trip dates?

USER: I would like to travel on 12/25 to 12/27.

ASSISTANT: Do you want any specification?

USER: I need a connecting flight.

ASSISTANT: There is no flight on your details.

USER: Ok, no problem.

ASSISTANT: Thank you.

USER: Thanks for your information.