You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am Nicole Edwards. I need to book a flight ticket from EWR to LGA, Can you please help me for booking?

ASSISTANT: Sure Nicole Edwards, I am happy to help you with that. Can I have your travel dates please?

USER: I would like to travel on 06/13 to return on 06/15.

ASSISTANT: Do you have any preferences?

USER: I would be depart on morning.

ASSISTANT: Sorry Nicole Edwards, no morning flight is available to you on your dates.

USER: Ok, no problem. Thanks for your infomation.

ASSISTANT: Thank you for choosing us, have a good day.