You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a ticket to Austin, AUS for site seeing, Can you please help me for booking?

ASSISTANT: Sure, I am here to help you. Can I have your source airport code please?

USER: My source is Phoenix, PHX.

ASSISTANT: Can I have your good name please for booking purpose?

USER: Sure, Amanda Clark here.

ASSISTANT: May I know your planned travel dates please?

USER: My journey dates are Mar 5 and Mar 7.

ASSISTANT: Do you need a connecting flight for your journey?

USER: Yes.

ASSISTANT: May I know which airline do you prefer?

USER: I prefer normal-cost airline.

ASSISTANT: Do you need an economy class or a business class for your trip?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: I found an economy class in Delta airlines with fare 300 and it has single connection. Can I proceed for booking?

USER: Ok, please proceed.

ASSISTANT: Ok, your booking is confirmed with flight number 1023.

USER: Ok, Thank you.

ASSISTANT: Thank you for reaching us, hope you visit us again.