You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I am Kimberly Lee. I need to visit to New York JFK to enjoy Seasonal festivals with family. Can you make a reservation from DCA?

ASSISTANT: Sure, let me know your journey dates.

USER: Sure, my travelling dates are 05/10 and 05/12.

ASSISTANT: Ok, Is there any price limit?

USER: Yes, my affordable price limit is 1000.

ASSISTANT: Ok, no flights were found on your schedule.

USER: Ok, no worries at all. Thank you for your help.

ASSISTANT: Thank you for choosing us.