You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking  a plane ticket from DEN to SFO?

ASSISTANT: Sure, could you please help me with your dates of journey?

USER: Sure, my travelling dates are from 09/28 to 09/30.

ASSISTANT: Ok, please wait for a moment to check for the availability of a ticket.

USER: Ok.

ASSISTANT: I found a flight with the connections limit 1 of fare 200, shall I book this ticket?

USER: Ok, please book my ticket.

ASSISTANT: May I know your name please for booking a ticket?

USER: Sure, my name is Richard Martinez.

ASSISTANT: Your ticket has been reserved with the airline Hawaiian and flight number is 1023.

USER: Thanks.

ASSISTANT: You are welcome and have a happy journey.