You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I am David Baker, can you help me to book a connecting flight to OAK?

ASSISTANT: Sure, please share your travelling dates.

USER: My travelling dates are 01/21 and 01/23.

ASSISTANT: Do you need any stopover in your journey?

USER: Please book afternoon flight from CLT.

ASSISTANT: Can I know your class preference?

USER: No. I am fine with any class.

ASSISTANT: If you have any other specifications please let me know?

USER: No, I did not have any other requirements.

ASSISTANT: There is a connecting flight with Southwest airlines in economy class and ticket fare of 100. Can I proceed?

USER: Proceed with booking.

ASSISTANT: Your ticket is reserved with flight 1011.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.