You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Debra Smith here.

ASSISTANT: How may I help you today?

USER: I want to book a flight ticket from Denver, my travelling airport codes are from DEN to IAD. Can you please help me with booking?

ASSISTANT: Sure, I can help you with that. May I know your preferable travel dates please?

USER: My preferable travel  dates are from 10/08 to 10/10.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Delta airlines is having a flight on that route with travel charge of 700, shall I proceed for booking?

USER: I it is a connecting flight, you can proceed with that ticket booking.

ASSISTANT: I have successfully booked your ticket with flight-1013 which is having 1 connection, have a safe journey.

USER: Thank you for booking my ticket for the flight  1013.

ASSISTANT: Thank you for reaching us, have a great day.