You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you now?

USER: I am looking for a flight from ORD to SEA, can you help me?

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

USER: My travelling dates are 17 and 19 of Apr.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: No.

ASSISTANT: May I know your name to book the flight ticket?

USER: I am Donald Baker.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Please wait a moment to check the flights.

USER: Sure.

ASSISTANT: I have found a flight with single connection between your journey having with the fare of 100 provided by Frontier airlines in economy class. Are you ok with this flight?

USER: Please proceed.

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

USER: Thank you.

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