You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you now?

USER: Can you help me to book a flight from IAD to EWR?

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable dates of travelling?

USER: My travelling dates are 10/08 and 10/10.

ASSISTANT: Do you have any connection limit?

USER: I prefer connecting flight.

ASSISTANT: Any other specifications do you have?

USER: I would like to travel in economy class.

ASSISTANT: On whose name I have to book the flight ticket?

USER: My name is Amy Nelson.

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

USER: Ok.

ASSISTANT: I have found a direct flight having with the fare of 100 provided by Hawaiian airlines in economy class. Are you ok with this flight?

USER: Proceed with booking.

ASSISTANT: Ok, your ticket has been confirmed in flight number 1004.

USER: Thank you.

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