You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you at this moment?

USER: I am Justin White. I would like to book a ticket from ATL to DEN, can you help me?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: My travel dates are 05/20 and 05/22.

ASSISTANT: Please wait for a while, I will check the availability.

USER: Sure.

ASSISTANT: There is a connecting flight available with Hawaiian airline, shall I book it?

USER: You can book it.

ASSISTANT: Your booking is done with flight number 1000. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome, have a nice day.