You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: Can you help me booking a flight ticket from OAK to PHX?

ASSISTANT: Sure, may I know your travelling dates?

USER: I will start on 08/16 and return on 08/18.

ASSISTANT: Do you have any connection limit?

USER: I need a break in my journey.

ASSISTANT: Any other preferences?

USER: I am looking for a normal cost flight.

ASSISTANT: May I know your name?

USER: I am Ashley Young.

ASSISTANT: Sorry, there are no flights found with your details.

USER: No problem, thank you for the information.

ASSISTANT: Thank you.