You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to visit LGBT festival at EWR, can you help me with booking?

ASSISTANT: Sure, can you share your travel dates please?

USER: My travel dates are Dec 19 and Dec 21.

ASSISTANT: Can I know your source airport code?

USER: My source airport code is OAK.

ASSISTANT: Do you need any break in between your journey?

USER: No, I need a direct flight.

ASSISTANT: Do you have any other specifications?

USER: I want to travel in economy class flight.

ASSISTANT: May I know your good name please?

USER: I am Benjamin Allen.

ASSISTANT: Sorry, there is no flight on your required route.

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

ASSISTANT: Thank you for reaching us.