You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I would like to book a flight ticket from DFW to attend a robotic workshop at DEN, can you help me to book a flight ticket?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Yes, my travelling dates are Nov 25 and Nov 27.

ASSISTANT: Can I know your name?

USER: Yes, my name is Samantha Wright.

ASSISTANT: Do you have any requirements?

USER:   I need a connecting flight.

ASSISTANT: There is a connecting flight 1009 of United Airlines, can I proceed?

USER:             Yes, please.

ASSISTANT: Your booking is done in economy class.

USER: Thank you for the help.

ASSISTANT: You are welcome.