You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, May I know your good name please?

USER: Melissa King, is my name.

ASSISTANT: Thank you, may I know how best I can help you today?

USER: I need to book a flight ticket, As I am planning to participate in Sports Festival at Washington, DC - IAD. Can you help me in booking with price range of 5000?

ASSISTANT: Sure, I can help you as per your request.

USER: Thanks for considering my request.

ASSISTANT:  Can you please provide your take off airport point and code?

USER: Sure, I will start from PA - PHL, Philadelphia.

ASSISTANT: Do you prefer any way station in between your journey?

USER: Yes, I prefer a way station.

ASSISTANT: On which dates you are willing to travel?

USER: I am willing to travel on 04/23, and need to catch the return flight on 04/25.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for your precious time.

USER: My pleasure.

ASSISTANT: Economy class tickets are available in Delta airline plane on your specified dates.

USER: That's great, Provide me the flight details.

ASSISTANT: The airfare is 100, with single stop over flight.

USER: Ok, Please confirm my seat in that Delta airline.

ASSISTANT: Your ticket has been confirmed with airline number 1004.

USER: Thank you for making my ticket booking process easier.

ASSISTANT: Your E-ticket has been sent to your email id.

USER: Thanks again for the re-confirmation.

ASSISTANT: Thank you for reaching us, Have a safe journey!.