You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am Barbara Williams. Could you please help me in flight ticket booking process from PHX to OAK?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: Thank you for your response, I want to take off on June 16 and book my return ticket also on June 18.

ASSISTANT: Do you have any other specifications?

USER: I want to return in afternoon time.

ASSISTANT: May I know your name?

USER: I already mentioned.

ASSISTANT: Ok, wait for some time.

USER: Ok, I need 1 break in between my journey.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thanks for approaching us.