You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you please help me in booking my flight ticket from PHL to AUS?

ASSISTANT: Sure, I would be happy to help you. May I know your planned travel dates?

USER: Thank you and my trip dates are from 06/20 to 06/22.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a single connecting flight.

ASSISTANT: Can you please share me your name?

USER: Myself Carolyn Martinez. Also make sure, my return time should be in the afternoon.

ASSISTANT: We found a direct flight with an United airline of flight 1015 in an economy class and return time is 19:00 hours. Can I confirm?

USER: Please proceed with the booking.

ASSISTANT: Your reservation has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.