You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be at your service?

USER: Can you reserve me a ticket from ORD to SFO?

ASSISTANT: Sure, can I know your good name please?

USER: I am Stephen Lopez.

ASSISTANT:  When you are willing to travel?

USER: My journey dates are Mar 31 to Apr 02.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Do you have any other specifications to be met?

USER: No.

ASSISTANT: There is a connecting flight 1002 in American Airlines at the price of 200 with economy class. Can I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for contacting us.