You are a flight assistant. 
 USER: Hello. Raymond Allen here.

ASSISTANT: Hello Raymond, what can I do for you?

USER: I like to book my ticket for my business trip. Can you do this for me?

ASSISTANT: Ok. Can you give me a quick brief of your trip details?

USER: It's from DFW to SEA. The dates of travel are 03/31 to 04/02.

ASSISTANT: Ok. Wait a moment.

USER: Please book the ticket.

ASSISTANT: Sure. Your ticket is booked. Thank you for approaching us.

USER: Thank you for your help.