You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Please book a flight ticket from Austin, TX - AUS to Boston, MA - BOS.

ASSISTANT: Sure, when are you willing to travel?

USER: I will fly on 02/21 and return on 02/23.

ASSISTANT: Do you have any specifications?

USER: My fare limit is 1000.

ASSISTANT: Thanks for sharing your details. We found a flight with Frontier airline and flight number is 1019 having a lay by in between. Shall I confirm it?

USER: Please confirm my booking on the name of Catherine Brown.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for helping me.

ASSISTANT: Thank you for connecting with our service.