You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Karen Garcia.

ASSISTANT: How may I help you out?

USER: Can you please book a direct flight to Seattle, WE - SEA?

ASSISTANT: Sure, I will check flights based on your request. Can you share your price limit?

USER: 500 is my budget.

ASSISTANT: May I know, When do you like to start and arrive on?

USER: I need to start on 06/07 and return on 06/09 to Houston, TX - HOU.

ASSISTANT: Ok. Please wait.

USER: Sure.

ASSISTANT: Thanks for your time, no flights existed in that routes due to bad weather alerts.

USER: Ok, no issues.

ASSISTANT: Thanks for choosing us, Have a great day.

USER: Thanks for your service.