You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I address you?

USER: I am Charles Allen. Can you please help me in booking my flight ticket from LAS to EWR? My travelling dates are Apr 21 and Apr 23.

ASSISTANT: Sure, do you need a economy class ticket or business class?

USER: I can comfortable with any class flight.

ASSISTANT: How much fare are you looking for?

USER: I am searching for 200 fare.

ASSISTANT: Ok, please wait.

USER: Ok, sure.

ASSISTANT: We found a direct flight on your way. Is that fine?

USER: Ok, please proceed.

ASSISTANT: Your booking has been confirmed with flight 1006 of Hawaiian airline and the fare is 100.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.