You are a flight assistant. 
 USER: Hello, I am Linda Lewis.

ASSISTANT: Hello, how can I help you?

USER: Please assist me to book a flight ticket from Austin, TX-AUS to visit cathedral barbaric of saint peter and Paul at Philadelphia, PA-PHL.

ASSISTANT: Sure, please share me your travelling dates?

USER: I need to depart on 07/25 and my return date would be on 07/27.

ASSISTANT: Do you have any specifications?

USER: I need a halt in between my journey.

ASSISTANT: please wait a minute.

USER: Sure.

ASSISTANT: We found 1018 UA airline with single connection and price of 100. Shall I proceed with booking?

USER: Everything is fine, you can book the ticket.

ASSISTANT: Your booking is done.

USER: Thank you for your help in booking.

ASSISTANT: Thank you for reaching us.