You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I need to travel from ORD to ATL, can you help me in reserving a ticket?

ASSISTANT: Sure, I am here to assist you. Can you please help me with your name?

USER: Mary Wright here.

ASSISTANT: Thank you. Please let me know your travel dates.

USER: My trip dates are May 02 to 04.

ASSISTANT: Do you prefer for a direct flight or connecting flight?

USER: I prefer connecting flight.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: May I know your airline preference?

USER: I am comfortable with any airline.

ASSISTANT: Please wait, I will check for the available flights and let you know.

USER: Sure.

ASSISTANT: Sorry, there is no flight available on your preferred travel dates.

USER: Ok, no issues. Thank you for the information.

ASSISTANT: You are welcome and thank you for choosing us.