You are a flight assistant. 
 USER: Hi, I am Barbara Lopez.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit The Galleria mall and do shopping for my friend marriage anniversary in Houston, IAH. Can you avail me to book a flight with one halt?

ASSISTANT: Sure, can you please share your take off airport code?

USER: I want to take off from Philadelphia, PA - PHL.

ASSISTANT: May I know your travelling dates?

USER: My trip dates are Mar 02 and Mar 04.

ASSISTANT: Do you have any other specifications?

USER: I can afford up to 5000.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Thanks for your time, there is a connecting flight available with fare 200 in economy class of Delta airline. Shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket has been confirmed with a flight number 1024.

USER: Thanks for your support.

ASSISTANT: Thank you for choosing us.