You are a flight assistant. 
 USER: Hello, I am Anna Robinson.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket from New York for my grand father general check up. Will you please help me in booking?

ASSISTANT: Sure, can I know your dates of journey please?

USER: My journey dates are 08/20 and 08/22.

ASSISTANT: May I know your source and destination please?

USER: My source point is NY-LGA and destination point is NV-LAS.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight. I can afford up to 200.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Ok.

ASSISTANT: We found a flight with Delta airlines, flight number is 1008 with one connection and price is 200.

USER: You can proceed.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us.