You are a flight assistant. 
 USER: Hello, my name is Edward Perez.

ASSISTANT: Hello. How may I help you?

USER: I want to attend a business conference at Philadelphia, can you help me to book a direct flight?

ASSISTANT: Sure, I will try to find a direct flight. For that may I know your details?

USER: Sure, I want to travel from LAS to PHL.

ASSISTANT: Your date of journey please.

USER: yes, my travelling dates are 08/20 and 08/22.

ASSISTANT: There is a flight with 1001 number, it has one connection, can I proceed for booking?

USER: Yes, proceed.

ASSISTANT: Your booking is confirmed with Delta airlines, it cost you 100.

USER: Thank you.

ASSISTANT: Thank you for choosing us.