You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am George Roberts. I need to attend a wedding in New York. Can you book a ticket from ORD to LGA?

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

USER: I want to travel on 11/23 and 11/25.

ASSISTANT: Ok, wait a moment please.

USER: Sure, take your time.

ASSISTANT: There is a flight in UA airline, can I book it?

USER: Yes, proceed to booking.

ASSISTANT: Your ticket has been booked with flight number 1015.

USER: Thank you for your help.

ASSISTANT: You are welcome.