You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I render you at this moment?

USER: I am planning to book a flight from Phoenix to reach LGA, will you please help me in booking a flight?

ASSISTANT: Sure, may I know your travelling dates please?

USER: Sure, my planned dates are 3rd and 5th in May month.

ASSISTANT: Ok, do you need a lay by in between the journey?

USER: Yes. I would like to return in evening time.

ASSISTANT: May I know your boarding airport code?

USER: Sure, It is PHX.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Can I know your good name please?

USER: Sure, my name is Robert Edwards.

ASSISTANT: There are no flights found on your requested dates.

USER: No issues, thank you.

ASSISTANT: Thank you for reaching us.