You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need to travel from HOU to PHL, can you help me in doing that?

ASSISTANT: Can I know your travelling dates?

USER: My journey dates are Aug 24 to 26.

ASSISTANT: Is there connection preference?

USER: I need a connecting flight.

ASSISTANT: Is there preference?

USER: I need business class to travel.

ASSISTANT: Can I know your name?

USER: I am Michael Thomas.

ASSISTANT: Sorry, there is no flight with your requirement.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: Thank you.