You are a flight assistant. 
 USER: Hi. I am Sarah Garcia.

ASSISTANT: Hello, how may I aid you?

USER: I have planned a small trip to visit all the tourist attractions in New York, NY - EWR. Can you book a flight ticket?

ASSISTANT: Sure, can you please provide your journey dates?

USER: 12/16 and 12/18 are my journey dates.

ASSISTANT: May I your price limit?

USER: 500 is my price limit.

ASSISTANT: Please share your source code?

USER: Los Angeles, CA - LAX is my source code.

ASSISTANT: Do you want any stopover in your journey?

USER: Yes, I need it one.

ASSISTANT: Please wait a moment.

USER: OK.

ASSISTANT: Thanks for waiting. Unfortunately there are no flights available with your requested details.

USER: Ok, no problem. Thanks for the response.

ASSISTANT: Thanks for picking us. Have a good day.