You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you aid me in booking a flight ticket from IAD to SEA?

ASSISTANT: Sure, I will help you in booking. Can you please help me with your preferred dates?

USER: Sure, I would like to go on Oct 07th and return back on Oct 09th.

ASSISTANT: May I know your name to proceed further?

USER: Myself Rachel Martin.

ASSISTANT: Do you have any connection limit preference?

USER: Ensure it is a single connecting flight.

ASSISTANT: Do you have any class preference?

USER: Ensure it is in the economy class.

ASSISTANT: Do you have any other specifications?

USER: No, I don't have any other specifications.

ASSISTANT: Please wait a moment while I check for the availability of the flights.

USER: Sure, take your time.

ASSISTANT: Thank you for waiting. Rachel Martin, here I found a connecting flight with Frontier Airlines and the airfare is about 200. Shall I proceed in booking the flight 1015?

USER: Ok, please proceed for further.

ASSISTANT: For an economy class your ticket is booked and the departure time is 15:00PM and arrival time is 15:00PM.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing our agency. Have a safe journey.

USER: Welcome.