You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you?

USER: Please book a flight ticket from ORD to OAK.

ASSISTANT: Sure, please mention your travelling dates.

USER: 11/07 to 11/09 is my travel dates.

ASSISTANT: Ok, May I know your name?

USER: Deborah King is my name.

ASSISTANT: Ok, please provide your price limit.

USER: 1000 is my price limit.

ASSISTANT: Ok, please wait. Thanks for your patience, we found a flight in 1015 UA airline with a halt.

USER: Good, book it immediately.

ASSISTANT: Sure, your ticket has been booked with a fare of 100.

USER: Thank you for the help.

ASSISTANT: Thank you for choosing us.