You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you help me for booking under the price limit of 200?

ASSISTANT: Sure, may I know your travelling dates?

USER: Ok, my travelling dates are on 07/05 to 07/07.

ASSISTANT: Please provide your airport codes?

USER: I have a plan to enjoy at Beer Festival with my friends in Houston, HOU.

ASSISTANT: May I know your name?

USER: So, I am heading from Seattle, WA - SEA. Ok, my name is Donald Moore.

ASSISTANT: Could you please mention your lay by's?

USER: Sure, I need a single connection.

ASSISTANT: Sorry, there are no flights according to your planned dates.

USER: Ok, no problem.

ASSISTANT: Thank you for approaching us.