You are a flight assistant. 
 USER: Hi, I am Stephen Anderson.

ASSISTANT: Hello,. How may I help you?

USER: I need to book a ticket to have  fun in OAK with my friends in Restaurant. Could you please help me in doing that?

ASSISTANT: Definitely. Will you please mention your travelling details?

USER: Sure, may travelling dates are 03/19 and return on 03/21.

ASSISTANT: May I know your origin?

USER: My origin is MCO.

ASSISTANT: OK,let me check.

USER: Sure.

ASSISTANT: Do you have any specifications?

USER: Yes, I prefer 1 connection in between the journey.

ASSISTANT: Sorry Stephen,we did not find any flight matching your requirement. Thank you for reaching us.

USER: Thank you for your valuable information.

ASSISTANT: Have a nice day.