You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kevin Walker.

ASSISTANT: How can I aid you at this moment? Nice to meet you Kevin.

USER: I want a ticket from DCA to PHX, can you please see the availability of flights on this route?

ASSISTANT: Sure, I will help you with finding. Please provide me your journey dates.

USER: I would like to travel on 06/15 to 06/17.

ASSISTANT: Ok, please be hold on for a moment. Thank you for your patience. I have found a flight-1019 of Delta airlines with connection 1 and price 600. Can I proceed to book?

USER: Sure, please book it.

ASSISTANT: Ok Kevin, your ticket has confirmed.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us. Have a safe journey.