You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: Matthew Anderson here.

ASSISTANT: Ok.

USER: I am looking for a flight on the route IAD to DEN can you please find that any airlines providing service on this route?

ASSISTANT: Sure, Anderson. Can you provide me your travel dates?

USER: My planning dates are 09/21 and 09/23.

ASSISTANT: Spirit airline is providing service on that route by flight-1019. Ticket costs for 100 only. Is it ok for you?

USER: May I know the connection limit?

ASSISTANT: Yes, you will be having 1 connecting flight.

USER: Please book it.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a safe journey.