You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Can you please help me in booking a flight ticket from Detroit, DTW to reach Houston, IAH?

ASSISTANT: Sure, We are here to help you.

USER: Thank you.

ASSISTANT: Can I know your travelling dates?

USER: My journey dates are from Jan 12 to Jan 14.

ASSISTANT: Do you need any break?

USER: Yes, I need a break in between journey.

ASSISTANT: May I know if you prefer to have any other comforts in your journey?

USER: My return time is evening.

ASSISTANT: Can  I know your name?

USER: My name is Gregory Moore.

ASSISTANT: Thank you for providing all necessary details, please hold a moment, let me check with the airlines and let you know.

USER: Sure.

ASSISTANT:  Thanks for  being waiting, we are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: Ok, that's not a problem. Thanks for your information.

ASSISTANT: Thank you for picking us.