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

ASSISTANT: Hello, how may I serve you today?

USER: I am planning to attend my friend birthday party in New York, can you please help me to book a flight ticket with 500?

ASSISTANT: Sure, please provide your airport codes?

USER: My journey points are from LAX to EWR.

ASSISTANT: Ok, let me know your travelling dates?

USER: I am travelling on 09/09 to 09/11. And I need a flight with single connection.

ASSISTANT: Ok, please wait I will let you know in a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, sorry to notify you that we have not found any flight matching your requests.

USER: Ok, no problem, thanks for your information.

ASSISTANT: Thank you for choosing us.

USER: Thank you.