You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Eric Collins.

ASSISTANT: How may I guide you today?

USER: Please book a flight ticket from DEN to IAD.

ASSISTANT: Sure, I will help you with that. Can you please provide your planned dates of travelling?

USER: My travelling dates are from Aug 3 to Aug 5.

ASSISTANT: Do you have any other specifications?

USER: I need a connecting flight.

ASSISTANT: Please wait a moment to check the flights on your route.

USER: Sure.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 100 provided by Hawaiian airlines. Shall I proceed with this?

USER: Ok, proceed.

ASSISTANT: Ok, your ticket has been confirmed successfully in flight number 1006.

USER: Thank you.

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