You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Helen Hall.

ASSISTANT: Glad to meet you Helen.

USER: Can you help me in booking a ticket from ORD to LAX?

ASSISTANT: Sure, may I know your travel dates please?

USER: My planning dates are from 12/22 to 12/24.

ASSISTANT: Ok, hold on for a moment.

USER: Sure.

ASSISTANT: I found a flight for you with AA airline and it costs you 100. Shall I proceed?

USER: That's great, please proceed.

ASSISTANT: Your ticket has been booked with 1000 flight number.

USER: Thank you for your help.

ASSISTANT: Welcome.