You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I provide assistance to you?

USER:  As I am a scientist, I want to attend science festival with my students at Las Vegas. Can you help me to book a ticket from LAX to LAS?

ASSISTANT: Sure, we are mirthful to help you. May I know your name please?

USER: Edward Garcia here.

ASSISTANT: Can you please forward your journey dates that you prefer to travel?

USER: My journey dates are 12/07 and 12/09.

ASSISTANT: Do you prefer any halt in between journey?

USER: I need direct flight.

ASSISTANT: We found a direct flight with UA airlines, flight number 1023, and the fare of 100. Shall I proceed?

USER: Go ahead.

ASSISTANT: Your ticket has been reserved in economy class.

USER: Thank you.

ASSISTANT: Thank you for choosing us. Have a safe journey.