You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I render you at this moment?

USER: Can you help me to book a flight ticket from DFW to ATL?

ASSISTANT: Sure, do you need a lay by in between the journey?

USER: Yes, I need a lay by in between my journey.

ASSISTANT: Ok, on which dates would you like to travel?

USER: My travel dates are July 26 and July 28.

ASSISTANT: Ok, may I know your good name please?

USER: I am Michelle Carter.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: There are no flights found on your requested dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you of reaching us.