You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Paul Perez, want to book a ticket to Dallas for attending a business meeting, can you please help me in reservation?

ASSISTANT: Sure, please share your planned trip dates?

USER: My planned trip dates are from 10/25 to 10/27.

ASSISTANT: Ok, let me know your boarding and landing airport codes?

USER: I would like board from PA-PHL and land at TX-DFW.

ASSISTANT: Ok, any other requirements to be met?

USER: Yes, I need a connecting flight with fare 500.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Thanks for waiting, flight- 1028, airline- Delta, price- 200 with connection-1 matches your requested details. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Ok, your ticket has been processed.

USER: Thank you for your kind service.

ASSISTANT: Thank you for opting us.