You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Margaret Lopez, want to book a flight ticket to Denver with price 200. Can you help me with it?

ASSISTANT: Sure, I am here to help you. May I know on which dates you wish to travel?

USER: Travelling dates are 09/19 and 09/21.

ASSISTANT: Ok, could you help me by providing your airport codes to proceed further?

USER: Airport codes are LAX-DEN.

ASSISTANT: Ok, please stand by.

USER: Sure.

ASSISTANT: Thank you, we found a flight with number 1016 and airline Delta at a price of 200 with 1 connection.

USER: Yes, you can proceed with booking.

ASSISTANT: Sure, your booking is done.

USER: Thanks for the help.

ASSISTANT: Thank you for reaching us, have a nice day.