You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: My name is Katherine White, I want to book the flight ticket from PHL to SEA. Can you please help me?

ASSISTANT: Sure, when do you want to travel?

USER: My travel dates are 02/28 and 03/01.

ASSISTANT: Ok, Do you have any airline preference?

USER: No, I need a halt in my journey.

ASSISTANT: Ok, May I know your price?

USER: I can afford 500 only.

ASSISTANT: Ok, please wait.

USER: Please take your time.

ASSISTANT: Thank you for your time, we found a flight in Delta airline with two connections. Can I proceed for booking in economy class?

USER: No, I prefer for single connection flight.

ASSISTANT: Ok. Thank you for choosing us.

USER: Please check for the flight and let me know.

ASSISTANT: Sorry, we did not find any single connected flights.

USER: Fine, thank you for the information.

ASSISTANT: Have a nice day.