You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Can you please book a ticket from OAK and JFK to attend Holiday trip?

ASSISTANT: Sure, please mention your travel dates.

USER: My travelling dates are Dec 28 and Dec 30.

ASSISTANT: Do you have any preferences?

USER: Yes, my depart and return time is morning.

ASSISTANT: Do you have any other preferences?

USER: I want single connected flight.

ASSISTANT: May I know your name?

USER: Sure, I am Jeffrey Edwards.

ASSISTANT: sorry, I did not find any flights for you.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.