You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please book a ticket from LAX to PHX? As I'm planning to attend a conference.

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: Sure, my planned departure and return travel dates are 6th and 8th of Dec.

ASSISTANT: Do you require any stopovers in your journey?

USER: Yes, I need single connected flight.

ASSISTANT:  Would you let us know if you have any other preferences?

USER: I want to depart in the evening time.

ASSISTANT: Ok, please share your name.

USER: It's Joseph Green.

ASSISTANT: Ok, please wait a minute I will get back to you with the flight details.

USER: Sure.

ASSISTANT: Thank you for being patient, we didn't find any flights which matches your requirement.

USER: Oh! That's ok, thank you for giving the information.

ASSISTANT: Thank you for reaching us, have a nice day.