You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, what can I do for you?

USER: I'm doing a documentary on several plant species. As a part of that, I want to visit Dallas arboretum and botanical garden. Can you please book me a ticket?

ASSISTANT: Sure, may I know your name, please?

USER: My name is Donald Walker.

ASSISTANT: Will you let me know your boarding and landing points?

USER: Sure, PHX and DFW are my boarding and landing airport codes.

ASSISTANT: When do you want to leave from your source?

USER: I want to start my journey on 10/31.

ASSISTANT: May I know your return date?

USER: Sure, my return date is 11/02.

ASSISTANT: Ok, please be on hold.

USER: Sure, take your time.

ASSISTANT: We found a flight on AA airline, flight number as 1000.

USER: Can I know the ticket price?

ASSISTANT: Sure. It cost only 200.

USER: That's perfect, please proceed with booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you so much for your service.

ASSISTANT: Thanks for opting our service.