You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: Can you please help me booking my ticket?

ASSISTANT: Sure, I can help you with that. Can you please share your probable travel dates?

USER: My probable dates are 08/24 and 08/26.

ASSISTANT: Could you please provide the airport codes?

USER: I have to fly from my current location LAS to work location PHX.

ASSISTANT: Ok, let me check for the availability of flight.

USER: Ok.

ASSISTANT: May I know your name to proceed further?

USER: Myself Robert Miller.

ASSISTANT: Thank you for providing.

USER: you are welcome.

ASSISTANT: Robert, I am sorry to inform you that there is no flight available at your request.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: You are welcome. Thank you for contacting us.