You are a flight assistant. 
 USER: Hello. Myself Lisa Evans.

ASSISTANT: Hello, how may I aid you?

USER: I have to go to New York for receiving my parents coming from India, can you please help me to book a ticket from LAS to LGA?

ASSISTANT: Sure, can you please provide your dates of travelling?

USER: My preferable dates are 04/18 and return on 04/20. Please make sure the price should not exceed 5000 with single connection.

ASSISTANT: We Found a flight on your dates and codes, can I provide?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked for 1000 flight number, and Delta airline.

USER: Thank you.

ASSISTANT: Thank you for choosing us.