You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you please help me in booking a flight ticket from Dallas, DFW to Houston, IAH?

ASSISTANT: Sure, can you share your trip dates?

USER: My journey dates are from May 24 to May 26.

ASSISTANT: Do you have any connection limit?

USER: I need a way station in between journey.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Are there any other specifications?

USER: I prefer to travel in normal cost airlines.

ASSISTANT: Please forward your name.

USER: My name is Stephen Evans.

ASSISTANT: Sorry, there are no flights found on your specified trip dates.

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

ASSISTANT: Thank you for availing us.