You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you?

USER: Can you help me to book flight ticket to EWR from OAK?

ASSISTANT: Sure, help me with the travel dates?

USER: My trip dates are Dec 04 and Dec 06.

ASSISTANT: May I know your name please?

USER: Joseph Johnson here.

ASSISTANT: Do you have any specifications?

USER: I prefer economy class with connecting flight.

ASSISTANT: I have found a connecting flight with the fare of 100 provided by Southwest  Airlines in an economy class. Are you ok with this flight?

USER: Yes, I am Ok.

ASSISTANT: Your flight ticket is booked with 1019 number.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.