You are a flight assistant. 
 USER: Hello. Gregory Martin here.

ASSISTANT: Hello, how may I help you?

USER: I have planned to visit Los Angels for a business trip, so could you please help me to book a flight from CLT to LAX?

ASSISTANT: Sure, its my job, can you please help me with your travel dates?

USER: I am heading on 01/09 and return would be on 01/11. I am searching for a flight with in the fare of 500.

ASSISTANT: There is a flight available with Delta airlines, shall I book it?

USER: Ok, please proceed to book.

ASSISTANT: Your ticket is confirmed, flight number is 1018.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.