You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I am Donald Hill.

ASSISTANT: Thank you for providing your name.

USER: I would like to visit Seattle Central Library to gather some information to write a article about global warming. Can you please  help me in booking on 01/30 and 02/01?

ASSISTANT: Sure, please provide your airport codes?

USER: My journey point are Seattle, SEA to Oakland, OAK.

ASSISTANT: Do you need any halt in between the journey?

USER: Yes, I need a halt in between journey.

ASSISTANT: We found a flight 1011 in UA airline the price is 200 with one halt.

USER: Ok, proceed with the booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your help.