You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Please book me a flight ticket from PHX to OAK to meet my family.

ASSISTANT: May I know on what dates would you like to travel?

USER: I have planned to travel on June 24th and return on 26th.

ASSISTANT: Do you require any stopovers in your journey?

USER: Yes, I prefer connecting flight.

ASSISTANT: Do you require any specifications in your journey?

USER: No, thanks.

ASSISTANT: UA airlines providing a connecting flight in economy class.

USER: Thank you.

ASSISTANT: May I know your name?

USER: Myself Catherine Lewis.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you.