You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you now?

USER: I am Benjamin Scott from Phoenix. Could you please help me in flight ticket booking process from PHX to LAS?

ASSISTANT: Sure, I will help you with booking.

USER: Thank you for your response.

ASSISTANT: May I know your planned journey dates?

USER: My departure date is 09/09 and please book my return ticket also on 09/11.

ASSISTANT: Do you want any connection in between your flight journey?

USER: I want a direct flight ticket.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Thank you for waiting, sorry there is no flight available on your given journey data.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for visiting us, we hope see you again.