You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to travel from DFW to HOU, can you help me in doing that?

ASSISTANT:  Sure, I will help you in booking the ticket. May I know your travelling dates?

USER: My trip dates are Aug 28 to 30.

ASSISTANT: Do you need any break in between journey?

USER: I need a connecting flight.

ASSISTANT: Are there any other specifications?

USER: No.

ASSISTANT:  May I know your name for the documentation process?

USER: I am Kevin Clark.

ASSISTANT: Sorry, no flights are available in this route as per your requested dates.

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

ASSISTANT: Thank you for reaching us.