You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I guide you at this moment?

USER: Can you help me to book a flight to Chicago?

ASSISTANT: Sure, I am perky to help you. Can you please share your travel dates that you have planned?

USER: I plan to travel on July 09 and return on July 11.

ASSISTANT: I need your selected airport code, that you wish to board from?

USER: I will fly from PHL airport.

ASSISTANT: Do you need any flag stop in between journey?

USER: Yes, I want a flag stop.

ASSISTANT: May I know your good name please?

USER: My name is Samantha Moore.

ASSISTANT: Is there any other specifications regarding your journey?

USER: No.

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

USER: Sure.

ASSISTANT: Thank you for your time, we have found a United airline, flight number-1016, connections-1 and ticket-100. Would you like me to book the ticket?

USER: Please proceed with booking.

ASSISTANT: Sure, a seat has been reserved successfully for a economy class flight.

USER: Thank you for helping me.

ASSISTANT: Thank you for your presence. We hope to serve you again.