You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Laura Lee.

ASSISTANT: How can I assist you at this moment?

USER: I am planning to visit Oakland, can you please book me a ticket from LAS to OAK?

ASSISTANT: Sure Lee, I will help you with that. Can I have your travel dates please?

USER: My planned dates of journey are from 10/25 to 10/27.

ASSISTANT: Ok Lee, please wait a moment to check flight availability.

USER: Sure, I will wait for your response.

ASSISTANT: Sorry Laura Lee, no flight is available to you on your dates due to some weather conditions.

USER: Ok, not an issue. I will find any other mode of transport for my trip.

ASSISTANT: Thank you for choosing us, have a good day.

USER: Thank you for providing information.

ASSISTANT: Most welcome.