You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Stephen Green.

ASSISTANT: Could you please let me know what help you need from our travel agency?

USER: I have a business meeting in Washington, can you help me for booking a flight ticket from ORD to IAD?

ASSISTANT: Sure, I am glad to provide you the service. May I know your travel dates?

USER: My travelling dates are 11/26 and 11/28.

ASSISTANT: Ok, please give me a minute.

USER: Sure, I will wait for your response.

ASSISTANT: The Delta airlines is found with the connection limit 1 and the price is 100. Can I confirm your ticket?

USER: Ok, please proceed for booking.

ASSISTANT: Ok, I have confirmed your ticket with the flight number 1019.

USER: Thank you for booking.

ASSISTANT: Most welcome. Thank you for reaching us. Have a nice journey.

USER: Welcome.