You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Christopher Roberts want to visit Las Vegas, can you book a ticket from PHL to LAS?

ASSISTANT: Sure, tell me your travel dates please?

USER: Sure, my travelling dates will be 12/04 and 12/06.

ASSISTANT: Thanks for your patience. I have found Hawaiian airlines which flies with one connection.

USER: Ok, proceed with my booking.

ASSISTANT: Sure, your flight ticket has been confirmed now.

USER: Thank you.

ASSISTANT: Thank you.