You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I am Justin Walker. I need to book a plane ticket.

ASSISTANT: Sure Justin Walker, could you please provide me your details?

USER: I want to book a ticket to TX-IAH from NY-LGA. My departure date is on Feb/23 and return date is on Feb/25.

ASSISTANT: OK, please give me a moment.

USER: OK.

ASSISTANT: Thanks for waiting, we are happy to informed that we found a seat availability on your root. The flight details are airline: UA, flight number is 1003 with price limit of 100. Shall I proceed for booking?

USER: You can proceed with the booking.

ASSISTANT: Your ticket has been conformed, thank you choosing us.

USER: Thank you.