You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I would like to attend my friend birthday so I want to book a ticket from IL-ORD to NY-LGA. Can you help me to book a ticket?

ASSISTANT: Yes, please provide your journey dates to proceed further.

USER: My preferable dates are from 05/16 to 05/18.

ASSISTANT: Can you give your name?

USER: Sure, my name is Kathleen Garcia.

ASSISTANT: Ok, we are happy to inform you that there is a flight in AA airline with the number of 1011. The cost of the ticket is 100 with single connection. Shall I proceed for booking?

USER: Ok, you can proceed for booking.

ASSISTANT: Ok, your ticket has been booked. Thanks for choosing us.

USER: Thanks for booking.