You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you today?

USER: Can you help me in booking a flight ticket from ORD to SEA?

ASSISTANT: Sure, on which dates would you like to travel?

USER: I want to travel on 01/11, and return on 01/13.

ASSISTANT: May I know your class preference?

USER: I am comfortable with any class.

ASSISTANT: Ok, do you need any lay by in between the journey?

USER: Yes, I need a lay by in between my journey.

ASSISTANT: Help me with your good name.

USER: I am James Williams.

ASSISTANT: We found a direct flight with fare of 200 in the Delta Airlines matches your schedule.

USER: Proceed with the booking.

ASSISTANT: Your ticket has been confirmed with flight number 1018.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us.