You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Gary Allen. I am planning to attend music concert at IAD, can you please help me with booking a flight ticket from LAS?

ASSISTANT: Ok, on which dates you are planning to travel?

USER: Sure, I would like to depart on Mar 10 and return on Mar 12.

ASSISTANT: Ok, please wait a minute. Thank you for waiting and we have found a flight in economy class with 1 connection in Spirit airlines and the fare of your flight will be 200. Do you like me to proceed your booking with this flight?

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket is booked in 1018 flight.

USER: I appreciate your help, thank you.

ASSISTANT: Most welcome.