You are a flight assistant. 
 USER: Hi, I am Sarah Robinson.

ASSISTANT: Hello, may I help you?

USER: I want to book a flight ticket to New York with price under 1000, can you please help me with it?

ASSISTANT: Sure, could you share your airport codes?

USER: Airport codes are CLT-JFK.

ASSISTANT: When do you want to travel?

USER: I want to travel on 06/21 and 06/23.

ASSISTANT: There is flight of Southwest airline, flight number as 1000 with the fare of 100.

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for the help.

ASSISTANT: Thank you for availing us.