You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How may I amend you?

USER: I need a ticket from Austin, TX-AUS to Philadelphia, PA-PHL.

ASSISTANT: Ok.

USER: I'm Debra Brown.

ASSISTANT: Ok. I will check flight for you according to your request. Please mention your journey dates also.

USER: Departure is on 04/21 and 04/23 is return date.

ASSISTANT: Do you require a connecting or direct flight?

USER: I need connecting flight.

ASSISTANT: Ok. There is UA airline, that matches your request. Your flight number is 1008. May I proceed to book?

USER: Yes, proceed to book a ticket.

ASSISTANT: Your reservation has been done.

USER: Please let me know ticket price?

ASSISTANT: Your ticket has been reserved with a price of 100.

USER: Thanks.

ASSISTANT: Thank you for choosing us.