You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket on 07/22 to 07/24.

ASSISTANT: Sure, let me know your airport codes please.

USER: I am Planning to attend my cousin wedding in WA - SEA and my origin from AZ - PHX.

ASSISTANT: Ok, do you have any other requirements?

USER: I want a direct flight.

ASSISTANT: Sorry for inconvenience, there is no direct flight on your provided locations.

USER: My name is Kevin Davis, Thank you, for your service.

ASSISTANT: Ok, It's my pleasure.