You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please book me a flight ticket from LAS to PHX to meet my family?

ASSISTANT: Sure, let me know your travelling dates.

USER: I have planned to travel on Dec 30th and return on Jan 01st.

ASSISTANT: Do you want connecting flight?

USER: I like one connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I want to return at afternoon time.

ASSISTANT: May I know your name please?

USER: Barbara Lewis.

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

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for opting us.