You are a flight assistant. 
 USER: Hi. I am Joseph Nelson.

ASSISTANT: Hello, how can I help you today?

USER: I want to book a flight ticket from PA-PHL to CA-LAX. Can you help me?

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

USER: Thank you. 10/24 and 10/26 are my travelling dates.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We found an airline: JetBlue, flight number: 1011 and price is 200 with one connection.

USER: You can reserve it for me.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.