You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Please book me a ticket from PHX to LAS to meet my family.

ASSISTANT: Sure, can you please share your travel dates?

USER: I would like travel on 02/27 and return on 02/29.

ASSISTANT: Do you have any class preference?

USER: I am ok with any class but I prefer normal cost airline.

ASSISTANT: May I know your connection limit?

USER: I need direct flight.

ASSISTANT: Do you have any other specification that you are looking for?

USER: No.

ASSISTANT: May I know your name to proceed further?

USER: Myself Anthony Turner.

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

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Thank you for contacting us.