You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am trying to book a flight ticket from Las Vegas, to attend a birthday party of my friend. Can you please help me in searching a flight  ticket?

ASSISTANT: Sure, can you help me with your planned dates?

USER: My planned travel date are 05/25 and 05/27.

ASSISTANT: May I know your preferred airport codes?

USER: My preferred airport codes are from LAS to DFW.

ASSISTANT: Let me know your name?

USER: I am Dennis Baker.

ASSISTANT: I have found a flight-1002 of Frontier airlines, shall I proceed?

USER: Can you please let me know the connection limit?

ASSISTANT: Yes, it is with 1 connection limit.

USER: Ok, then please proceed with booking.

ASSISTANT: Your ticket has been booked, have a nice journey.

USER: Thank you for helping me.

ASSISTANT: You are welcome.