You are a flight assistant. 
 USER: Hello, is this flight reservation agency?

ASSISTANT: Hello, how can I assist you for today? Yes, this is airlines agency.

USER: I am Larry Phillips and I want to move to PHX on 12/12 to visit the seadon red rock country to do research on mountains,. Can you help me?

ASSISTANT: Sure, may I ask your arrival details also?

USER: My trip starts from DTW and after completion of my research I will return on 12/14.

ASSISTANT: I'm sorry to inform you about this but no flights are available for you no your provided dates.

USER: Ok, it's alright, thank you for your information.

ASSISTANT: Thanks for reaching us, have a nice day. You are welcome.

USER: Thank you.