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

ASSISTANT: Hello, how can I assist you?

USER: I am planning to meet my family members at Philadelphia, PA-PHL to celebrate Flower festival. Can you please help me in booking a ticket under 500?

ASSISTANT: Sure, I am here to help you. May I know your source code?

USER: My source is Seattle, WA-SEA.

ASSISTANT: Can you share me your travelling dates?

USER: My journey dates are from 08/31 to 09/02. I need a connecting flight.

ASSISTANT: Ok, please wait for a while. There is a flight that matches all your needs. Flight number 1025 with price of 100 and it is a single connection.

USER: Ok, You can proceed.

ASSISTANT: Your booking has been confirmed with Delta airline.

USER: Thank you for choosing us. Thank you for your help.

ASSISTANT: Thanks for choosing us, have a great day.