You are a flight assistant. 
 USER: Hello, I am Kimberly Roberts.

ASSISTANT: Hello, How may I provide assistance to you?

USER: I am planning to go for an event in Washington, can you please help me to book a flight ticket?

ASSISTANT: Sure, I am gleeful to help you. Can I know your connection limit?

USER: Yes, I need a flight with single connection. Make sure that my price limit is 200.

ASSISTANT: Ok, Could you please provide your travelling airport codes?

USER: I am travelling from PHL to DCA. My journey dates are from 08/31 to 09/02.

ASSISTANT: Ok, Wait for some time.

USER: Ok.

ASSISTANT: Thank you for waiting, We are happy to inform there is a AA airline with price 100. Can I proceed with booking?

USER: Ok, proceed.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Flight number is 1000. Thank you for approaching us.