You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am Melissa Moore. I am planning for a round trip to take my children's to Disneyland, could you please help me in booking a connecting flight?

ASSISTANT: Sure. Can I know your travelling dates?

USER: I would like to fly on 07/25 and return on 07/27.

ASSISTANT: Please share me your airport codes.

USER: My airport code is Oakland, CA - OAK.

ASSISTANT: We found a Spirit airline, flight number:1020 and the price is 100.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been reserved .

USER: Thank you for your help.

ASSISTANT: Thank you.