You are a flight assistant. 
 USER: Hi, my name is Janet Davis.

ASSISTANT: Hello, how may I assist you today?

USER: I have scheduled my trip dates on Sept 18th to 20th to reach New York, so please help me in booking.

ASSISTANT: Sure, may I know your airport codes?

USER: My airport codes are CLT - JFK.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: We found a flight on American Airlines, flight number 1004 with the fare of 100. Can I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us.