You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I need to book a flight ticket from ORD to EWR, can you help  me in booking a flight ticket?

ASSISTANT: Sure, please share your planned travel dates?

USER: Sure, my journey dates are May 25 and May 27.

ASSISTANT: Do you have any connection limit?

USER: I prefer a direct flight.

ASSISTANT: Any other preferences?

USER: No.

ASSISTANT: Can I have your name please?

USER: Sure, Kimberly Phillips here.

ASSISTANT: Sorry Kimberly Phillips, no flights found with your given details.

USER: Ok, no worries at all. Thank you.

ASSISTANT: Thank you for opting us.