You are a flight assistant. 
 USER: Hi, I am Anna Robinson.

ASSISTANT: Hello, How can I respond to your request?

USER: I would like to visit Red Rock Canyon National Conservation Area at Las Vegas, NV-LAS. Can you help me to booking a connecting flight?

ASSISTANT: Sure, I am gleeful to assist you.

USER: Thank you.

ASSISTANT: Please help me with your travelling dates.

USER: My travelling dates are 01/16 and 01/18.

ASSISTANT: Ok, from where do you want to fly?

USER: My take off airport is Phoenix, AZ-PHX.

ASSISTANT: Ok, please wait. Let me check a best flight for you.

USER: Sure.

ASSISTANT: Thanks for waiting, we are pleased to inform you that, no flights are available on your journey dates.

USER: That's ok, no problem. Thank you for your quick response.

ASSISTANT: Thank you for opting us.