You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I guide you today?

USER: I am Mary Johnson, can you help me to book a flight?

ASSISTANT: Sure. Please share your journey details.

USER: I would like to visit National Park at IAD from my location PHX. My preferable dates would be 08/22 and 08/24.

ASSISTANT: Ok.

USER: I want 1 connection limit.

ASSISTANT: Please, just hold on for a moment.

USER: Ok. Please check.

ASSISTANT: Yes Johnson, as per your requirements flight-1019 of AA airline available.

USER: Yes, you can proceed.

ASSISTANT: Ok, your ticket is booked successfully.

USER: Thank you.

ASSISTANT: Welcome.