You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Stephen Thompson. Can you please help me in booking my flight ticket from DEN to IAD?

ASSISTANT: Sure, can I know the travel dates please?

USER: My travelling dates are Sept 27 and Sept 29.

ASSISTANT: May I know the depart and return time please?

USER: I need my depart flight ticket at morning time.

ASSISTANT: Do you have any requirements?

USER: I need connecting flight to complete my trip from DEN to IAD.

ASSISTANT: Ok, wait a moment please.

USER: Ok, I will wait for your reply.

ASSISTANT: There is a connecting flight in Delta airline, can I book it?

USER: May I know the flight timings?

ASSISTANT: The depart time is 7.00 AM.

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket has been booked with flight number 1026 in economy class.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us.