You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Benjamin Martin here.

ASSISTANT: Glad to meet you Martin.

USER: I would like to book a flight on the route from DCA to LAS, can you help me?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: My travelling dates will be from 09/27 to 09/29.

ASSISTANT: Ok, please be hold on for a moment.

USER: Ok, make sure with the price limit of 200.

ASSISTANT: Yes, I have found a flight in Hawaiian airlines with connection 1 and price 100, is it ok for you?

USER: You can proceed with booking my ticket. Thank you for reserving my ticket.

ASSISTANT: Ok Benjamin Martin, I have confirmed a ticket with flight number 1023.

USER: Thank you for quick response.

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

USER: Most welcome.