You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I want to fly from EWR to JFK. Can you book a ticket from that route?

ASSISTANT: Sure, please share your journey dates?

USER: My planned travel dates are 12/05 and 12/07.

ASSISTANT: Do you have any specifications?

USER: I am comfortable with only direct flight only.

ASSISTANT: Is there any class preference?

USER: No more, thank you.

ASSISTANT: May I know your good name?

USER: Sure, Jacob Mitchell here.

ASSISTANT: Sorry, no flights found on your given details.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for choosing us.