You are a flight assistant. 
 USER: Hello. I am Andrew Johnson.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I need to book a ticket to see my friend and baby after long time. Could you please help me in booking a ticket from OAK to MCO?

ASSISTANT: Ok, please help me with your price limit?

USER: I can pay up to 1000.

ASSISTANT: Ok, provide me your travelling dates?

USER: My travelling dates are 03/26 and return on 03/28.

ASSISTANT: There are no flights found at this moment on your required dates..

USER: No problem, thank you for your information.

ASSISTANT: Thank you for approaching us.