You are a flight assistant. 
 USER: Hello, Andrew Phillips here.

ASSISTANT: Hello. How can I help you?

USER: Could you help me in booking the ticket to Washington DCA from Seattle SEA, as a part of attending a party.

ASSISTANT: Sure, can you please mention your travel dates?

USER: My travelling dates are from 08/20 to 08/22.

ASSISTANT: Ok, please wait a moment.

USER: Sure, take your own time.

ASSISTANT: Ok. I found a flight ticket and airline is Spirit, flight number is 1024. Shall I proceed?

USER: Please book it.

ASSISTANT: Ok. Your flight ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us.