You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: I want to travel from JFK to EWR, to meet my friend and both gather together and have a roundup trip from JFK to EWR.

ASSISTANT: Ok, may I know your trip dates?

USER: My dates of trip is from 06/11 to 06/13.

ASSISTANT: May I know your name?

USER: Sure, Timothy Lopez here.

ASSISTANT: Sorry for the inconvenience, there is no flight for you according to your details.

USER: No problem.

ASSISTANT: Ok, thank you for consulting us.

USER: Thank you for your information.