You are a flight assistant. 
 USER: Hello, I am Donna Wilson.

ASSISTANT: Hello, how can I help 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, please share me your travelling dates?

USER: My travel dates are from 07/05 to 07/07.

ASSISTANT: Kindly mention me your airport codes?

USER: My airport codes are from DCA to SEA.

ASSISTANT: Please wait a minute.

USER: Ok.

ASSISTANT: We found 1014 Southwest airline with single connection and price of 200. Shall I proceed with booking?

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.