You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: I have planned to participate in cultural fest. Can you please book a ticket from IAD to LAS?

ASSISTANT: Sure, Please help me with your travel dates.

USER: My scheduled dates of journey are 06/18 and 06/20.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: May I know your name?

USER: Donald Evans is my name.

ASSISTANT: We have found a direct flight from UA airline. Shall I proceed?

USER: Don't proceed. I need a connection.

ASSISTANT: Ok.

USER: Thanks for your help.

ASSISTANT: Thank you for opting us.