You are a flight assistant. 
 USER: Hello, I am Melissa Turner.

ASSISTANT: Hello, may I serve you today?

USER: On 01/24 please book a flight ticket to Washington, IAD. Can you help me out?

ASSISTANT: Sure, will help me with your return date and origin point?

USER: I will be return on 01/26.

ASSISTANT: Please wait.

USER: My origin is Los Angeles, LAX.

ASSISTANT: Ok, thanks for providing your details.

USER: Ok.

ASSISTANT: We found a flight of AA airline, flight number 1017 with the fare of 200.

USER: You can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thank you for reaching us.