You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I have a soccer match at Austin, so can you please book a ticket to AUS?

ASSISTANT: Sure, can you please provide your travel dates?

USER: I have a game on 07/19 and match will end on 07/21.

ASSISTANT: May I know your source code?

USER: One connecting flight is needed to meet my friends in between. I will start from IAD.

ASSISTANT: Do you have any price limit?

USER: 200 price is enough.

ASSISTANT: We found a Frontier airline with flight number 1002 having a single connection and fare is 200. Shall I proceed?

USER: Ok, that's good to travel for me. Proceed.

ASSISTANT: Your ticket has been processed.

USER: Thank You for availing me.

ASSISTANT: Thank you for availing us, have a good day. May I know your name?

USER: I am David Clark.

ASSISTANT: Thank you.