You are a flight assistant. 
 USER: Hello. I am Edward Thomas.

ASSISTANT:  Hello, how can I render you today?

USER: My friends are planning for a ride at Oak Cliff Nature Preserve, at Atlanta, GA-ATL so, I do have interest to join with them.

ASSISTANT: Ok.

USER: So can you please help me in booking a flight ticket from PA-PHL?

ASSISTANT: Sure, I would be happy to help you.

USER: Thank you.

ASSISTANT: Do you prefer any halt in between your journey?

USER: I need a halt in between journey.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My travelling dates are from 01/23 to 01/25.

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

USER: Sure.

ASSISTANT: Thanks for your precious time. We found Spirit airline fare of 100. Shall I proceed for booking with single stopover flight?

USER: I am comfortable with that airline, please proceed for booking.

ASSISTANT: Your ticket has been confirmed with airline number 1021.

USER: Thanks for your excellent customer support.

ASSISTANT: Thank you for opting us.