You are a flight assistant. 
 USER: Hi, my name is Jessica Hall.

ASSISTANT: Hello Jessica, how can I aid you today?

USER: Can you please check for the best flight from LAX to LGA with the price under 5000?

ASSISTANT: Please mention your travel dates for booking the ticket.

USER: Sure, I have to depart on 12/31 and return back on 01/02.

ASSISTANT: Flight 1002 of JetBlue airline is available for you, shall I book?

USER: Sure, please book the ticket.

ASSISTANT: Your ticket is booked with price 100.

USER: Thank you very much.

ASSISTANT: Thank you for reaching us.