You are a flight assistant. 
 USER: Hi. I am Gary Walker.

ASSISTANT: Hello, how can I help you today?

USER: I want to travel from CLT to DFW, can you please help me to book a flight ticket?

ASSISTANT: Sure, we can help with that. When do you want to start and return on?

USER: I want to travel from 11/16 to 11/18.

ASSISTANT: Do you need a stopover flight?

USER: I prefer a stopover flight.

ASSISTANT: Do you prefer either a business class or a economy class?

USER: I am comfortable with any class.

ASSISTANT: Please share your depart and arrival timings?

USER: I would like return with a morning flight.

ASSISTANT: Do you have any other specifications?

USER: I need a normal cost airline.

ASSISTANT: Thank you for your details, there are no flights available with the given information.

USER: That's ok, thanks for checking.

ASSISTANT: Thank you for choosing us.