You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Virginia Taylor.

ASSISTANT: How can I aid you?

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

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER:  I want to travel on 02/01, and need to catch return flight on 02/03.

ASSISTANT: Please share me your airport codes.

USER:  I need to leave from my nearest airport PHL to reach SEA.

ASSISTANT: Do you need any halt?

USER: Yes, I need a halt.

ASSISTANT: We found a AA airline, flight number:1009 and the price is 200.

USER: Proceed with the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for the service.

ASSISTANT: Thank you for choosing us.