You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I would like to visit Atlanta to meet my cousin, please help me in booking a ticket from LAS to ATL.

ASSISTANT: May I know your dates on which you are planning to depart and arrive?

USER: My planned travel dates are on Oct 21 and Oct 23.

ASSISTANT: Are you comfortable with connecting flight or direct flight?

USER: I need a flight with single connection.

ASSISTANT: If you have any other preference regarding your journey, please let me know.

USER: No more specifications.

ASSISTANT: If you can help me with your name, I can check with the availability of flights.

USER: My name is Dennis Lopez.

ASSISTANT: There are no flights found on your specified travel dates.

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

ASSISTANT: Thank you for reaching us.