You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Please help me out in booking the ticket from SFO to PHL.

ASSISTANT: Sure, may I know your name?

USER: Helen Smith is my name.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: May I know your trip dates?

USER: My trip dates will be Nov 29 to Dec 1.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: American airlines flight- 1000 of price 200 with connection in economy class matches your given details, shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.