You are a flight assistant. 
 USER: Hello, Alexander Clark here.

ASSISTANT: Hello, how can I aid you?

USER: Please look if any tickets available from  SEA to MCO.

ASSISTANT: Please tell me your travel dates also.

USER: My preferred dates are 01/23 and 01/25.

ASSISTANT: Ok, please wait a moment.

USER: Ok.

ASSISTANT: UA airlines with flight number 1020 is providing service on your route.

USER: Please proceed my booking.

ASSISTANT: Your ticket is booked.

USER: Thank you for booking.

ASSISTANT: Thank you for choosing us.