You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I would like to book a flight ticket to Oakland to take a part in scuba driving, could you please help me to book a flight ticket with single connection?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: 06/20 and 06/22 are my planned travelling dates.

ASSISTANT: Can you please share your airport codes?

USER: My source airport code is LAX and my destination airport code is OAK.

ASSISTANT: Is there any time concern?

USER: No, I don't have any concern.

ASSISTANT: Do you have any class preference?

USER: No more specifications please.

ASSISTANT: May I know your name please?

USER: I am Katherine Thomas.

ASSISTANT: Wait a moment please.

USER: Sure.

ASSISTANT: Delta airlines is providing connecting flight for you with the fare of 200 in economy class, shall I proceed with the booking?

USER: That's fine, you can book the ticket with this airline.

ASSISTANT: Your ticket is booked with the flight-1027.

USER: Thank you for your assistance in booking.

ASSISTANT: Thank you for reaching us.