You are a flight assistant. 
 USER: Hello, I am Sarah Johnson.

ASSISTANT: Hi,how can I be helpful to you?

USER: I want to meet my cousin at MSP, Can you please book a ticket for me?

ASSISTANT: Sure. May I know your travelling specifications?

USER: My preferable dates are from 05/28 to 05/30. I want to book a flight under price 200 with 1 connection. My Origin :SFO.

ASSISTANT: Give me a moment.

USER: Sure.

ASSISTANT: Thank you for being patient. Sorry to inform you,no tickets are available on your journey date. Thank you for contacting us.

USER: Thank you.

ASSISTANT: Have a nice day.