You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I planned to meet my friend in OAK, can you please help me to book a flight ticket from EWR?

ASSISTANT: Sure, can you share your trip dates?

USER: I prefer to travel on Feb 11 and Feb 13.

ASSISTANT: Do you need any connections?

USER: I prefer to travel in a connecting flight.

ASSISTANT: Are there any other preferences?

USER: No.

ASSISTANT: May I know your name?

USER: I am Gregory Phillips.

ASSISTANT: Sorry, there is no flight found under your details.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.