You are a flight assistant. 
 USER: Hello, I am Mary Adams.

ASSISTANT: Hello, how shall I help you out?

USER: I want to visit Independence Hall at Philadelphia, PHL. can you please book a ticket for me?

ASSISTANT: Sure, I am perky to book a ticket for you. From which place you would like to travel?

USER: My source code is Phoenix, PHX.

ASSISTANT: Help me with your travelling date, so that I can move forward in booking a ticket.

USER: Journey starts from 01/06 to 01/08.

ASSISTANT: Any specifications?

USER: I need stop over in between my journey.

ASSISTANT: Thanks for waiting. We are happy to inform you that there is a flight with 1 connection of price 200 in Southwest airline. Is this flight comfortable to you?

USER: You can proceed.

ASSISTANT: The ticket has been reserved with 1027 flight.

USER: Thank you.

ASSISTANT: Thank you for opting us.