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

ASSISTANT: Hello, How can I assist you today?

USER: Could you please book a ticket to Philadelphia, PHL from MSP?

ASSISTANT: Sure, we are perky to help you.

USER: Thank you.

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

USER: Yes, I prefer a halt in between my journey.

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

USER: I want to travel on 12/14 and return on 12/16.

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

USER: Sure.

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

USER: Yes, proceed with the booking.

ASSISTANT:  Your ticket has been confirmed with airline number 1007.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.