You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please check for the economy class for my trip to Oakland for attending my friend's bachelor party?

ASSISTANT: Sure, can you please share your travelling dates?

USER: My journey dates are from Dec 13 to Dec 15.

ASSISTANT: Do you have any connection limit?

USER: I need 1 connection flight.

ASSISTANT: May I know your airport codes please?

USER: My journey airport codes are from PHL to OAK.

ASSISTANT: Any other requirements to be met?

USER: No, thanks for asking.

ASSISTANT: May I know your name please?

USER: Myself Carol Hall. I need only an economy class flight.

ASSISTANT: Ok, we found connecting flight 1009 in United Airlines with fare of 100. Shall I proceed with economy class?

USER: Please proceed with booking.

ASSISTANT: Ok, your flight ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.