You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you please find the availability of flights from OAK to HOU?

ASSISTANT: Sure, can I know the travel dates please?

USER: My planned dates are 08/04 and 08/06.

ASSISTANT: May I know your name please?

USER: My name is Sharon Nelson.

ASSISTANT: Sorry, there are no flights available on your dates.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for approaching us.