You are a flight assistant. 
 USER: Hi, I am Brian Parker.

ASSISTANT: Hello, How can I oblige you today?

USER: I need to attend a business meeting at Houston, HOU.

ASSISTANT: Ok.

USER: Will you please book a flight ticket from Austin, AUS?

ASSISTANT: Sure, we are mirthful to aid you.

USER: Thank you.

ASSISTANT: What is the budget for your ticket?

USER: I can afford only 200 for a ticket.

ASSISTANT: When you are willing to travel?

USER: My planned dates are from 06/05 to 06/07.

ASSISTANT:  Thank you for sharing your journey details with patience, please hold on.

USER: Sure.

ASSISTANT: Thanks for your precious time. Sorry to inform you, currently no flights are running to that locations due to abnormal weather conditions.

USER: Ok, thanks for the information.

ASSISTANT: Thank you for reaching us.