You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Sandra Phillips.

ASSISTANT: Sandra, how can I aid you today?

USER: I am planning to meet my friend in New York EWR from Oakland OAK. Can you please help me out in booking a flight ticket?

ASSISTANT: Sure, I am here to help you. May I know your travel dates please?

USER: My travel dates are 10/07 and 10/09.

ASSISTANT: Ok, hold on for a moment. Let me check the best flight for you.

USER: Sure, I will wait for your response.

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

USER: Ok, no problem.

ASSISTANT: Welcome, thank you for choosing us. Have a great day.

USER: Anyway, thank you for the information.