You are a flight assistant. 
 USER: Hello, I am Matthew Smith.

ASSISTANT: Hello, how may I help you?

USER: Can you help me booking a flight ticket from PHX to SEA?

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

USER: I will start on 08/17 and return on 08/19.

ASSISTANT: Do you need any other requirements?

USER: I need a break in my journey.

ASSISTANT: Sorry, no flights found on your given dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for choosing us.