You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Is there any availability of flights from OAK to DFW?

ASSISTANT: Can I know your travelling dates?

USER: My travelling dates are on June 21 and 23.

ASSISTANT: Please let me know your connection limit?

USER: No, I am fine with any flight.

ASSISTANT: Do you have any other preference?

USER: No.

ASSISTANT: Here is a connecting flight with fare 100 and 1001 as flight number in Southwest Airline. Shall I proceed with booking?

USER: Ok, please proceed for booking.

ASSISTANT: May I know your name please?

USER: Sandra White here.

ASSISTANT: Your ticket is confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.