You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am planning to go Oakland to celebrate flower festival. Can you help me to book a ticket?

ASSISTANT: That's great to hear, I will help you with that. Could you please provide your nearest airport codes for booking?

USER: My airport codes are SFO-OAK.

ASSISTANT: Ok, may I know your preferable dates of travel?

USER: Dates are 08/10 and 08/12. I need direct flight.

ASSISTANT: May I know your name please?

USER: Kevin Parker here.

ASSISTANT: Yes, we are having a direct flight and details are follows. Flight number 1018 from Hawaiian airlines with the fare of 100. Shall I proceed with this?

USER: Go ahead.

ASSISTANT: Ok, your reservation is done.

USER: Thank you, You have done a good job.

ASSISTANT: Thank you for reaching us, have a great journey.