You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you out?

USER: I am Edward Collins. I am planning to travel from DEN to DCA, can you help in booking a flight?

ASSISTANT: Sure, I will help you out in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are 09/25 to 09/27.

ASSISTANT: There is a flight with connection 1 and price 300, can I proceed?

USER: Proceed for booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1013.

USER: Thank you.

ASSISTANT: Thank you for reaching us.