You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Sandra Jones. Do you have any flight from OAK to meet my friend who was staying in JFK?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: My travelling dates are 01/15 and 01/17.

ASSISTANT: Sorry, there are no flights found.

USER: That's fine, thanks for your information anyways.

ASSISTANT: Thank you for reaching us.