You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you help me in booking my ticket to attend my friends birthday?

ASSISTANT: Sure. May I know your name please?

USER: Laura Johnson here.

ASSISTANT: Are you looking for a stopover in your journey?

USER: Yes I need one stopover in my journey.

ASSISTANT: May I know your travel dates and airport codes please?

USER: I want to go from EWR to LAX.

ASSISTANT: Ok. Your travel dates please?

USER: I need to go on 12th June and return back on 14th June.

ASSISTANT: Any other preferences?

USER: yes, Return time must be in morning time.

ASSISTANT: Please wait. Thanks for your time.

USER: Ok, sure take your own time.

ASSISTANT: Sorry presently flights are not available in the morning hours.

USER: Ok, thank you for helping me.

ASSISTANT: Thank you.