You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Can you help me book a flight ticket from Oakland to Chicago on the name of Ryan Miller?

ASSISTANT: Sure, may I know your travelling dates?

USER: I will depart on 07/04 and return on 07/06.

ASSISTANT: May I know your airport codes?

USER: They are from OAK to ORD.

ASSISTANT: May I know price limit?

USER: 5000 is my price limit.

ASSISTANT: There is a AA 1010 which matches your requirements. With price of 100 and with 1 connection. Shall I proceed?

USER: You can proceed with this booking.

ASSISTANT: Your booking has been confirmed on name of Ryan Miller.

USER: Thank you for your service.

ASSISTANT: Than you for booking a ticket.