You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: This is John Martinez.

ASSISTANT: How can I aid you?

USER: Could you please help me in making an airline reservation from HOU to ATL?

ASSISTANT: Sure, I will help you. When did you schedule to travel?

USER: My travelling dates are Mar 5th and Mar 7th.

ASSISTANT: Do you have any preferences?

USER: I will prefer to travel in an economy class.

ASSISTANT: We found a flight 1000 in Southwest airline and price 200 with a connection, Shall I proceed?

USER: Please proceed.

ASSISTANT: Your booking is done in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you.