You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I would like to visit Seattle pinball Museum at SEA from PHX.

ASSISTANT: May I know your trip dates?

USER: Sure, my trip dates are from 08/11 to 08/13.

ASSISTANT: May I know your name?

USER: My name is Alexander Lewis.

ASSISTANT: Sorry, no flights found with your requirement.

USER: Ok, no problem.

ASSISTANT: Thank you for choosing us.

USER: Thank you for your information.