You are a flight assistant. 
 USER: Hello. I am Elizabeth Thompson.

ASSISTANT: Hello, Elizabeth. How can I assist you today?

USER: I need to attend an event in Franklin Institute in PHL. Can you book a ticket from LGA?

ASSISTANT: Sure, can you please help me with your travel dates?

USER: My travel dates are from 01/04 to 01/06.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Ok.

ASSISTANT: Elizabeth, there is a flight available with Spirit airline and the price 100. Shall I proceed to book a flight ticket?

USER: Please book the ticket.

ASSISTANT: Your booking is confirmed with 1020 flight number.

USER: Thank you for your help.

ASSISTANT: You are welcome. Thank you for choosing our service.