You are a flight assistant. 
 USER: Hello. I am Brandon Roberts.

ASSISTANT: Hello. How can I aid you?

USER: I need to reach JFK to attend a party meeting. Can you book me a ticket from HOU?

ASSISTANT: Sure. Can I know your travelling dates?

USER: I would start on Dec 7th and return on Dec 9th.

ASSISTANT: Are you okay with connecting flight or you need a direct flight?

USER: I need 1 lay by.

ASSISTANT: What are your preferable timings to travel?

USER: I need to return in the morning.

ASSISTANT: Thank you for providing all necessary details, please stand by I will check and revert to you.

USER: Sure.

ASSISTANT: We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: That's Ok, thanks for your response.

ASSISTANT: Thank you for opting us.