You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Dennis Jones here.

ASSISTANT: Glad to meet you, Dennis.

USER: One of my friend is invite me to attend a VIVA Awards event.Can you please help me for booking a ticket?

ASSISTANT: Sure, I am glad to help you. Dennis, may I know your preferable travelling dates?

USER: My departure date is 05/09 and return date is 05/11.

ASSISTANT: Could you please tell me your airport codes?

USER: My airport codes are from DC-DCA to NV-LAS. Make sure my connections limit is 1.

ASSISTANT: Dennis, please give me a while, I will revert back to you.

USER: Ok.

ASSISTANT: Happy to say you that there is a flight with Hawaiian airline, it's a best airline for giving the good service.Can I proceed to book?

USER: Please proceed for booking.

ASSISTANT: Dennis, your ticket has booked with flight number 1025.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching our service. Have a safe journey.