You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Sandra Garcia, could you please help me in booking my flight ticket from JFK to LAS?

ASSISTANT: Sure, may I know your travel dates?

USER: My planned trip dates are 02/28 and 02/30.

ASSISTANT: How much can you afford for this ticket?

USER: My price limit is 1000.

ASSISTANT: Sorry Sandra Garcia, there is no flight on your details.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Thank you.