You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Dennis Williams.

ASSISTANT: How may I help you?

USER: I need a flight ticket booking from DEN to LAS to attend a meeting, can you please help me in flight ticket booking?

ASSISTANT: Dennis Williams, I am here to help you for this. When you are planning to travel?

USER: Thank you and I have planned to move on Nov and the dates would be on 21st and 23rd.

ASSISTANT: Do you have any airline preference?

USER: No.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: As per your information, I found a flight with Frontier Airlines and the ticket fare is 300. Would you like me to make the booking now?

USER: I am ok with the flight that you have mentioned, you can go ahead and proceed with booking.

ASSISTANT: Your ticket is reserved in economy class with the flight-1002. Your departure time is 12:00 pm, and again your arrival time is 9:00 am.

USER: Thank you for your enormous help in my flight ticket booking.

ASSISTANT: Thank you very much for contacting us.

USER: Welcome.