You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Patrick Green.

ASSISTANT: How can I assist you?

USER:  I have a conference meeting at Los Angeles this week day. Can you please help me in reserving the ticket from PHX to LAX ?

ASSISTANT: Sure, can I know the travel dates please?

USER: My trip dates are Feb 3 to Feb 5.

ASSISTANT: Could you please provide the departure and return time?

USER: I need a connecting flight which return in afternoon.

ASSISTANT: Do you have any requirements?

USER: No.

ASSISTANT: Sorry, there are no flights available as per your request.

USER: No issue, thank you.

ASSISTANT: Thank you for approaching us.