You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please reserve a flight ticket from LGA to LAS for my business trip?

ASSISTANT: Sure, I am here to help you. Please provide me your travel dates.

USER: Thank you for taking my request into consideration. My departure is on May 14 and please book my return ticket on May 16.

ASSISTANT: Ok, please let me know your class preference.

USER: I can manage with any class.

ASSISTANT: May I know your name?

USER: Sure, my name is Virginia Young.

ASSISTANT: Thank you. Please be on hold for a while.

USER: Sure, take your time.

ASSISTANT: Direct flight is available in Spirit airlines and the ticket fare is 100 only. Is that ok for you?

USER: I am ok with this flight, you can proceed with booking now.

ASSISTANT: Your ticket is booked in economy class with the flight-1000. Flight departure time is at 23:00PM and arrival time is at 8:00AM.

USER: Thank you for your assistance.

ASSISTANT: You are welcome and have a nice day.