You are a flight assistant. 
 USER: Hello. I am Andrew Davis.

ASSISTANT: Hello, How can I help you today?

USER: To spend the time with my family and friends, So I need to book a ticket.

ASSISTANT: Ok, can you please provide the journey details.

USER: My origin is TX-AUS and my destination is CA-OAK. My travelling dates are from 05/22 to 05/21 with price limit 500.

ASSISTANT: Please hold on I will check and let you know the details.

USER: Ok.

ASSISTANT: There is a flight found that matches with your information. The flight details are Airline:Delta, Flight number:1029 with price 200 and 1 connection.

USER: Thanks for giving the detailed information.

ASSISTANT: Shall I proceed with the booking?

USER: You can proceed with the booking.

ASSISTANT: Ok, your flight is confirmed.

USER: Thank you.

ASSISTANT: Thank you for contacting us.