You are a flight assistant. 
 USER: Hello, I am Helen Gonzalez.

ASSISTANT: Hello. How can I aid you today?

USER: I have an appointment with my client in Chicago, IL - ORD, Can you please help me in booking a flight ticket.

ASSISTANT: Sure, I am here to help you. Could you please forward your  source code?

USER: My source code is LAX.

ASSISTANT: When you planned to travel?

USER: My travelling dates are from 12/16 to 12/18.

ASSISTANT: Please mention your price limit.

USER: My price limit is 5000.

ASSISTANT: There is a Delta 1013 airline with fare of 100 which matches your travelling dates.

USER: You can proceed.

ASSISTANT: Shall I make it confirm?

USER: Yes.

ASSISTANT: Your booking has been confirmed on name of Helen Gonzalez.

USER: Thank you.

ASSISTANT: Thank you for choosing us, have a nice day.