You are a flight assistant. 
 USER: Hi.

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

USER: Could you please make a reservation with the name of John Hernandez to EWR?

ASSISTANT: Sure, please share your travelling dates.

USER: My travelling dates are June 16 and June 18.

ASSISTANT: Sure, provide your class preference.

USER: I prefer an economy class.

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

USER: Yes, I need a stopover.

ASSISTANT: Ok, kindly mention your source airport code?

USER: My source is from AUS.

ASSISTANT: Ok, at what time would you like to depart and return?

USER: I want to depart in the afternoon.

ASSISTANT: Ok, please wait for few minutes.

USER: Sure.

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

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for reaching us.