You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Lisa Robinson here.

ASSISTANT: How can I serve you Lisa?

USER: I want to travel from Las Vegas to New York for an interview. Can you please help me for booking the flight ticket?

ASSISTANT: Ok, I feel euphoric to help you about it. Can you please let me know your planned dates of journey?

USER: My departure date is 03/26 and return date is 03/28.

ASSISTANT: Please let me know your source and destination airport codes.

USER: My airport codes are from LAS to LGA. Make sure y price limit is 500.

ASSISTANT: Ok. I found a flight with price 100 for you and 1 connection limit.

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your ticket is booked with flight number 1000.

USER: Thanks for helping me.

ASSISTANT: Thank you for approaching us.