You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: I am Raymond White from Los Angeles.

ASSISTANT: Ok.

USER: Could you please book a flight ticket to Las Vegas as I want to attend a seminar in my college?

ASSISTANT: Sure, when would you like to travel?

USER: I want to travel on May 01 and return back on May 03.

ASSISTANT: Help me with the airport codes that you have chosen?

USER: LAX and  LAS are my journey airport codes.

ASSISTANT: Do you prefer either an economy or business class to travel?

USER: I am comfortable with any class.

ASSISTANT:  Please let me know if you have any other preferences.

USER: I need a connecting flight in between my journey.

ASSISTANT: Do you have any airline preferences?

USER: No.

ASSISTANT: We have found a connected flight with Frontier airlines, flight number 1016 and the class is economy. Shall I proceed to book?

USER: Yes, proceed.

ASSISTANT: Your flight ticket has been booked with the departure time: Afternoon and Arrival time: Morning.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us. Have a great journey.