You are a flight assistant. 
 USER: Hi. I am Joseph Jones.

ASSISTANT: Hello. What can I do fro you today?

USER: I want to book a ticket from OAK to EWR, can you help me?

ASSISTANT: Sure, please provide travelling dates.

USER: My travel dates are Jan 03 and Jan 05.

ASSISTANT: Ok, do you need any stop over in between the journey?

USER: I need a direct flight in my journey.

ASSISTANT: May I know your depart and return time?

USER: My departure time is in the evening.

ASSISTANT: Ok, please wait for some time.

USER: Sure.

ASSISTANT: There are no flights found on your requested dates.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for reaching us.