You are a flight assistant. 
 USER: Hello, I am Amy Hall.

ASSISTANT: Hello, how can I aid you today?

USER: I would like to visit High Roller at Las Vegas, can you please book me a ticket?

ASSISTANT: Sure, when are you planning to travel?

USER: I would like to leave between 08/18 and 08/20.

ASSISTANT: Could you please share your airport codes?

USER: My preferable airport codes are from IAD to LAX.

ASSISTANT: Please share your connection limit.

USER: I need one connection limit.

ASSISTANT: AA airlines with single connection and price is 200 of 1013 flight. Shall I proceed to confirm?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your help.

ASSISTANT: Thank You for choosing us.