You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Catherine Edwards, can you please check any flight from JFK to DCA?

ASSISTANT: Can you please provide your travel dates for checking flight ticket available or not?

USER: My travelling dates are 10/22 to 10/24.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry Catherine no flights available as per your request dates.

USER: That's ok. Thank you.

ASSISTANT: You are welcome.