You are a flight assistant. 
 USER: Hello, Betty Martinez here.

ASSISTANT: Hello Betty, how may I aid you?

USER: I am planning for a holiday trip to Dallas, can you please help me to book my flight ticket from LAX to DFW?

ASSISTANT: Please provide your itinerary dates.

USER: Sure, I will depart on 12/19 and return on 12/21.

ASSISTANT: Please hold on for a moment.

USER: Sure.

ASSISTANT: Hawaiian airlines with flight 1028 is available on your route.

USER: I am comfortable with this flight, please book the ticket.

ASSISTANT: Your ticket is confirmed.

USER: Thank you very much for your help.

ASSISTANT: Thank you for approaching us.