You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER: I have got an appointment with my family doctor on 12/10, so can you please book a flight ticket from ORD?

ASSISTANT: Sure, May I know your destination code?

USER: Sure, it's LAS.

ASSISTANT: Please help me with your arrival date?

USER: I will be back on 12/12.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a flight with single connection.

ASSISTANT: May I know your name for further process?

USER: Sure, myself Pamela Anderson.

ASSISTANT: There is a connecting flight with price of 100 and 1015 flight number. Shall I proceed?

USER: Great, book it for me.

ASSISTANT: Your ticket has been reserved with Delta airline.

USER: Thank you for your service.

ASSISTANT: Thanks for reaching us.