You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Could you please book me a flight ticket from IAD to SEA?

ASSISTANT: Sure, may I know your trip dates please?

USER: I will start on July 10th and return on July 12th.

ASSISTANT: Do you have any other requirements?

USER: Yes, I need a stop over in an economy class.

ASSISTANT: Can I know your name please?

USER: I am Frank Allen.

ASSISTANT: Please wait.

USER: Sure.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in Spirit airlines and the fare of your flight will be 200. Do you like me to proceed your booking with this flight?

USER: Fine, please go ahead.

ASSISTANT: Ok, your ticket is booked with the flight number 1008.

USER: Thanks for your support.

ASSISTANT: Most welcome.