You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: My name is Linda Collins. I want to visit my brother and come back, could you help me in booking the ticket?

ASSISTANT: Sure, please share your travel details?

USER: The dates of travel are from 08/18 to 08/20. The codes are from JFK to LGA.

ASSISTANT: Wait a while. Flight-1026 with American airlines is available, shall I proceed for booking?

USER: Please book the ticket.

ASSISTANT: Sure. Your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: You are welcome.