You are a flight assistant. 
 USER: Hi, I am Carol Miller.

ASSISTANT: Hello. How can I aid you?

USER: Can you help me to book a flight from  Washington DC-DCA to participate in NBA tournament  Philadelphia, PA-PHL?

ASSISTANT: Sure, I can help you. Can I know your travelling dates?

USER: I will start on 12/05 and I intend to return on 12/07.

ASSISTANT: Please wait a while.

USER: Ok, make sure I need a connecting fight.

ASSISTANT:  Ok, Thanks for being waiting. We found a AA airline, flight number:1015 and the price is 200.

USER: Ok, please book my ticket with this airline.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your support.

ASSISTANT: Thank you.