You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: My name is Karen Thomas.

ASSISTANT: Ok. Please provide the airport codes?

USER: I am planning to travel from LAX to LAS to attend my sister's wedding.

ASSISTANT: Ok. And your travel dates please?

USER: My travel dates are 03/18 and 03/20.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: I found a flight with price 100 and one connection. It is UA airlines and 1004 flight number. Shall I book this flight?

USER: Yes, book the ticket.

ASSISTANT: Your flight ticket has been confirmed. Thanks for reaching to us.

USER: Thank you for the help.