You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I have to attend my graduation ceremony at Orlando university, can you please book a ticket from CLT to MCO?

ASSISTANT: Sure, let me know your journey dates?

USER: Sure, my planned departure and return travel dates are 20th and 22nd of May.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: My maximum connection has to be 1.

ASSISTANT: Is there any class preference?

USER: Yes, I prefer economy class.

ASSISTANT: Do you have any other specifications?

USER: Yes, I prefer economy class and I want to travel in normal-cost airlines.

ASSISTANT: Can I know your name?

USER: Yes, my name is Scott Martinez.

ASSISTANT: Thanks for your details, there is no flight found on your journey dates.

USER: That's ok, thank you for giving the information.

ASSISTANT: Thank you for reaching us.