You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I have a business meeting in San Francisco. Can you please help me for booking?

ASSISTANT: Sure, may I know your airport codes?

USER: My airport codes are DTW and SFO.

ASSISTANT: Can you please tell me your dates of journey?

USER: My travelling dates are 08/15 and 08/17. Make sure that I need with 0 connection.

ASSISTANT: May I know your name for further proceedings?

USER: My name is Carol Harris.

ASSISTANT: Sorry, there is no flight available with your requirement?

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for choosing us.