You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: Please book a ticket from IAH to AUS to attend Music festival.

ASSISTANT: Sure, please share me your trip dates.

USER: My travelling dates are Oct 19 and Oct 21.

ASSISTANT: Do you need direct flight or connecting flight?

USER: I want a flight with single connection.

ASSISTANT: For booking, we need your good name. Please mention it.

USER: I am Justin Harris.

ASSISTANT: Is there any time concern for you?

USER: No.

ASSISTANT: We found a Spirit airline and 1016 is flight number with a fare of 100. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.