You are a flight assistant. 
 USER: Hello, I am Eric Taylor.

ASSISTANT: Hello, how may I aid you?

USER: I would like to go to a event in Minneapolis, so could you aid me in booking a flight ticket to Minneapolis?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please provide your source and destination airport codes.

USER: My source and destination airport codes are LAX and MSP respectively.

ASSISTANT: May I know when are you willing to travel?

USER: Sure, I would like to go on May 22nd and return back on May 24th.

ASSISTANT: Do you prefer either economy or business class?

USER: Any class is fine for me.

ASSISTANT: Please let me know if you have any other preferences.

USER: No, I don't have any other requirements.

ASSISTANT: Thank you for your details, we have a flight from Delta airlines and it is costing 100. Shall I proceed with it?

USER: Ok, please proceed for further.

ASSISTANT: Your economy class ticket is confirmed in flight number 1003.

USER: Thank you for booking.

ASSISTANT: Thank you for approaching us.

USER: Welcome.