You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Margaret Walker.

ASSISTANT: How can I assist you now for today?

USER: Could you please search for a flight which travels to Denver?

ASSISTANT: Sure, can you please mention the travelling dates of your journey?

USER: I would like to travel on dates 02/07 and 02/09.

ASSISTANT: Ok, may I know the airport codes please?

USER: The airport codes are LAX and DEN.

ASSISTANT: Please wait for a while.

USER: Ok, take your time.

ASSISTANT: Thank you for waiting, there is a flight 1012 in Spirit airline has the price 100. Can I proceed?

USER: Please book the ticket.

ASSISTANT: Your ticket has been booked, have a safe journey.

USER: Thank you for your service.

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