You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Jack Moore, I need to visit Independence Hall as I should give my lecture, can you please book a flight ticket from LAX to PHL?

ASSISTANT: That's good, let me know your dates?

USER: Sure, my travel dates are 07/19 and 07/21.

ASSISTANT: Thank you for your details.

USER: Please check with connection 1 and price under 200.

ASSISTANT: I got a flight as per your details, flight 1022 of Spirit airlines. Shall I proceed?

USER: Please proceed with booking.

ASSISTANT: your ticket has been booked.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us, have a great flight.

USER: Most welcome.