You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Patrick Hernandez, can you help me by booking my flight ticket from CLT to OAK in the month of January?

ASSISTANT: Sure, can you please share me with your dates of journey?

USER: Sure, my dates of journey are Jan 21 and Jan 23.

ASSISTANT: May I know your class preference please?

USER: I am comfortable with any of the class.

ASSISTANT: I found a flight with the connecting flight of fare 100 of Delta airline, are you ok with this booking?

USER: If the flight which you have mentioned departures in the evening go ahead with the booking.

ASSISTANT: There is a direct flight of fare 200 of Southwest airline, are you ok?

USER: Yes, I am ok with this flight go ahead with the booking.

ASSISTANT: Ok, your booking is done with the flight number 1023.

USER: Thank you for your kind service.

ASSISTANT: You are welcome, have a safe flight.