You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I want to visit New York for business purpose, can you book a ticket for me?

ASSISTANT: Sure, may I know your name please?

USER: Ronald Parker here.

ASSISTANT: Ok, can you please provide your travelling dates?

USER: My travel dates are 02/09 and 02/11.

ASSISTANT: Ok, may I know your airport codes?

USER: My airport codes are DFW to LGA.

ASSISTANT: The airline Frontier with flight number 1013 is available.

USER: You can book it.

ASSISTANT: Ok. Your reservation is done.

USER: Thank you for booking.

ASSISTANT: Happy journey.