You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I serve you to make you happy?

USER: Please book a ticket from Oakland, CA-OAK to Charlotte, NC-CLT.

ASSISTANT: Sure, I am here to help you. Could you please help me with your travel dates? May I know your price limit.

USER: Departure date is 01/29 and 01/31 is return date.

ASSISTANT:  May I know your price limit?

USER: Ticket price limit is 200.

ASSISTANT: For proceeding I need your name.

USER: My name is Kevin Garcia.

ASSISTANT: Please hold on. There is a Southwest 1019 airline with fare of 100 which matches your travelling dates. Shall I proceed with booking?

USER: Please book a ticket with connections limit 1.

ASSISTANT: Your booking has been confirmed on name of Kevin Garcia.

USER: Thanks.

ASSISTANT: Thank you for choosing us.