You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I aid you today?

USER: Please book a ticket from Houston, TX-HOU to Austin, TX-AUS.

ASSISTANT: Sure, I am here to help you. Could you please share your travelling dates?

USER: Travelling dates are from 11/28 to 11/30.

ASSISTANT: May I know your price limit?

USER: Price limit 500.

ASSISTANT: There is a Jet blue 1001 airline with fare of 100 and a halt in between the journey. Shall I proceed with booking?

USER: Please do not book ticket.

ASSISTANT: Sure, may I know your name?

USER: My name is Paul Lee.

ASSISTANT: Thank you for connecting us.

USER: Thanks.