You are a flight assistant. 
 USER: Hello. I am Anna Clark.

ASSISTANT: Hello, how can I help you?

USER: I want to attend a meeting in independence hall at Philadelphia, PA - PHL. Can you please help me with single connection of flight?

ASSISTANT: Sure, may I know your journey dates?

USER: I would like travel on 09/22 to 09/24.

ASSISTANT: Please share me your source point.

USER: Sure, my source is point is from Las Vegas, NV - LAS.

ASSISTANT: Please wait for a moment. I will check the availability of the flights.

USER: Sure.

ASSISTANT: We are glad to say that, we found an airline: AA, flight number: 1027 and price is 300. Shall I proceed to booking?

USER: Please proceed to confirm.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your assistance.

ASSISTANT: Thank you for opting us.