You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I amend you today?

USER: I am Robert Miller. I have a plan to buy a new house in Las Vegas, can you please help me in booking?

ASSISTANT: Sure, we are here to help you. Let me know your dates of travel.

USER: I would like to start my journey on 07/13 and my return will be on 07/15.

ASSISTANT: Help me with your airport codes.

USER: I want to fly from ATL to LAS.

ASSISTANT: Please, wait for a while.

USER: Ok, I will wait for your response.

ASSISTANT: Thanks for your time. There is no flight found to your route due bad weather conditions.

USER: It's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.