You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: Can you please help me to book a flight ticket to travel from PHX to AUS?

ASSISTANT: Sure, can you please share your preferable journey dates?

USER: My travel dates are Oct 3rd and 5th.

ASSISTANT: May I know your name please?

USER: My name is John Scott.

ASSISTANT: Do you have any specifications?

USER: I prefer to fly with world class airline like AA, UA, delta or Hawaiian.

ASSISTANT: Is there any connection limit?

USER: I prefer to fly with not more than one connecting flight.

ASSISTANT: I found a ticket for you with price of 100, flight number is 1021 in economy class and connection limit is 1 with United airline. Is it ok for you?

USER: Please proceed with the booking.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.