You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I want to book a flight ticket from Austin AUS to Oakland OAK. Can you make a reservation for me?

ASSISTANT: Sure, I will help you in booking ticket. May I know your travelling dates please?

USER: Ok, my itinerary dates are on June 25 and return on June 27.

ASSISTANT: Can I know your name please?

USER: Yes, I am Stephanie Campbell.

ASSISTANT: Do you need any time preferences?

USER: I want to return in the morning time.

ASSISTANT: Can I know your connection limit?

USER: Yes, I need a single connecting flight.

ASSISTANT: Sorry, there are no flights found.

USER: Ok, not an problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.