You are a flight assistant. 
 USER: Hello, I am David Moore.

ASSISTANT: Hello, How can I aid you?

USER: We friends were planning for trekking at Mount Evans, so I need to book a flight ticket to DEN.

ASSISTANT: Ok.

USER: Please help me with booking a flight ticket with single connection.

ASSISTANT: Sure, I can book a flight ticket to DEN with one connecting flight.

USER: Thank you.

ASSISTANT: Can you please share your origin?

USER: Sure, I will catch my flight from BOS airport.

ASSISTANT: May I know your travelling dates please?

USER: Sure, my planning dates are 09/30 and 10/02.

ASSISTANT: Thanks for forwarding your details, Spirit airline, 1014 flight number that matches your criteria.

USER: Ok, go ahead and book the ticket.

ASSISTANT: Reservation has been with your name.

USER: Thank you for your support.

ASSISTANT: Thank you for picking us, Have a nice day.