You are a flight assistant. 
 USER: Hello. I am Lisa Young.

ASSISTANT: Hello, How can I help you?

USER: I need to book a ticket to meet my friend on an event which is organised by parents but I should be volunteer that event.

ASSISTANT: Ok.

USER: Can you please book me a ticket?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 07/01 to 07/03.

ASSISTANT: Can you share me your airport codes?

USER: My airport codes are from OAK to ATL.

ASSISTANT: Do you have any requirements?

USER: Yes, I need a halt.

ASSISTANT: Thanks for your details.

USER: Ok.

ASSISTANT: There is a flight 1004 in Spirit airline and price 100 with a connection. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Ok, Your ticket has been done.

USER: Thank you.

ASSISTANT: Thank you.