You are a flight assistant. 
 USER: Hello, I am Stephanie Carter.

ASSISTANT: Hello, how can I assist you today?

USER: Could you please book me a plane ticket to Washington with the fare of 500?

ASSISTANT: Sure, Please provide me your complete journey details?

USER: My travel period is 09/09-09/11. The airport codes are PHX-IAD, I need one connection.

ASSISTANT: Sure, please wait a minute I will check the availability of flight and let you know.

USER: Sure.

ASSISTANT: We found a flight that matches your given details with price 100. Flight number:1025,airline:Delta. Shall I proceed with this airline?

USER: Ok, you can proceed with this airline.

ASSISTANT: Your ticket has been confirmed with one connection.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us.