You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to travel on these days that is on June 26 and return on June 28. Can you make a reservation for me?

ASSISTANT: Sure, I am here to help you. Can you please share your airport codes?

USER: Thank you, my airfield locations are from OAK to EWR.

ASSISTANT: May I know your connection limit?

USER: Ok, I need a single connecting  flight.

ASSISTANT: May I know your depart and return timings?

USER: Ok, I want to depart in the depart in the Afternoon time and return in the evening time.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your name?

USER: Yes, I am Jonathan Allen.

ASSISTANT: Sorry, there are no flights found on your trip dates.

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

ASSISTANT: Thank you for consulting us.