You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I support you today?

USER: I want to see the West Coast's tallest building named Smith Tower at Seattle. Can you please avail me a ticket with a direct flight??

ASSISTANT: Sure, can you provide me your airport codes?

USER: Thank you. I want to board from PHX to reach SEA.

ASSISTANT: On what dates you have planned your journey?

USER: My trip dates are on 12/01 - 12/03.

ASSISTANT: Thanks for your details.

USER: Ok.

ASSISTANT: There is no flight found on your requested dates. May I know your good name.

USER: Ok, no problem. I am Matthew Edwards.

ASSISTANT: Thank you for reaching us.

USER: Thanks for the information.