You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Myself Mark Davis, I am planning to travel Denver this month. Can you please help me in reserving the ticket from LAX to DEN?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: I am willing to travel on 04/09 and again I will retrieve on 04/11.

ASSISTANT: There is a flight available on your requested dates from JetBlue airlines with 1 connecting flight.Shall I confirm your booking?

USER: Please check for direct flight?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: There is a direct flight available on your requested dates from Southwest airlines.

USER: Yes, please go ahead.

ASSISTANT: Your ticket is booked with flight 1000.

USER: Thank you very much for reserving the ticket.

ASSISTANT: You are welcome.