You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Do you need any help from my side?

USER: I want to participate in Olympics at Phoenix, PHX. Can you please book a ticket from CLT?

ASSISTANT: Sure, I can help you and may I know your departure and arrival travel dates?

USER: My scheduled dates are Mar 28 and Mar 30.

ASSISTANT: Can I know your connection preference?

USER: I want single connection.

ASSISTANT: May I know your name please?

USER: I am Sarah Miller.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Sorry, there is no flight obtained on your travel dates to book a flight ticket.

USER: Ok, no issues. Thank you.

ASSISTANT: You are most welcome and have a nice day.