You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I need a flight ticket to San Francisco. Can you please book me a flight ticket?

ASSISTANT: Sure, could you please provide your airport codes?

USER: Sure, my airport codes are DFW - SFO.

ASSISTANT: When are you planning to travel?

USER: I am planning to attend business meeting on 08/14, after completion of  meeting I need to return on 08/16.

ASSISTANT: May I know your name?

USER: Melissa Moore is my name.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: Spirit airlines with single connection and price is 100 of 1006 flight. Shall I proceed to booking?

USER: Yes, please.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for reserving my ticket.

ASSISTANT: Thank you.