You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today from my end?

USER: I want to book a flight from DCA to meet my friend at DEN. Can you book a flight for me?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: I will travel on Mar 27 and return on Mar 29.

ASSISTANT: May I know your name to proceed further?

USER: My name is Sharon Wilson.

ASSISTANT: Here is a connecting flight in Delta airlines, can I proceed with it?

USER: As I want a connecting flight, please proceed with booking.

ASSISTANT: Your ticket has been booked with 1027 flight in Delta airlines.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.