You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Ia m Catherine Phillips, can you help me to make a flight reservation from DEN to LAS?

ASSISTANT: Sure, may I know your travel dates which you want to take a journey?

USER: My period of journey are 09/24 and 09/26.

ASSISTANT: Ok, wait a moment Catherine Phillips.

USER: Sure, I will wait up to your reply.

ASSISTANT: I found a connecting flight-1002 with price 100, shall I proceed?

USER: You can proceed with this flight to reserve my flight ticket.

ASSISTANT: Ok, booking is done with AA airline.

USER: Thank you very much.

ASSISTANT: Welcome Catherine Phillips.