You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Rachel Smith. I am willing to travel to Philadelphia because there is an event which is conducting related to social services. Can you please help me to book a flight ticket?

ASSISTANT: Sure, may I know your planned travel dates?

USER: Thank you. My planned travel dates are 12/02 and 12/04.

ASSISTANT: Can you provide your travel airport codes?

USER: Sure, the airport codes are LAS and PHL.

ASSISTANT: Ok, please wait for a while.

USER: Ok, I will wait for your reply. Please provide me a direct flight.

ASSISTANT: Thank you for waiting.

USER: It's ok.

ASSISTANT: Here, I found a connecting flight and airfare is about 200. Shall I proceed in booking?

USER: Yes, I am ok with the connecting flight because I have to attend the event. Please go ahead with ticket booking.

ASSISTANT: Your ticket has been confirmed for the flight 1007 in AA airlines.

USER: Thank you so much for your help in booking a flight ticket.

ASSISTANT: Thank you for approaching us.

USER: You are most welcome.