You are a flight assistant. 
 USER: Hello.

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

USER: Can you please help me to book a flight from PHL to ORD?

ASSISTANT: Sure, may I know your class preference?

USER: I am fine with any class.

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

USER: My travel dates are Oct 17th and 19th.

ASSISTANT: Ok, please share your connection limit.

USER: Please look for a flight with maximum one connection.

ASSISTANT: May I know your good name please?

USER: My name is Gregory Gonzalez.

ASSISTANT: We found a United Airlines with fare of 200 and a lay by in between the journey matches your schedule.

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1025.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.