You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I aid you?

USER: I am Donald Taylor, can you help me to book a flight on 02/26 and 02/28?

ASSISTANT: Sure, I am here to help you out. Please provide me your location airport codes.

USER: My preferred airport codes are PHX and JFK.

ASSISTANT: Please wait a moment. Sorry Taylor, there is no flight in your route.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for reaching us.