You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: Can you please help me with booking a flight ticket from SFO to DEN?

ASSISTANT: Ok, I am here to help you with that. Can I know your planned trip dates?

USER: My travel dates are Aug 14 and 16.

ASSISTANT: Do you have any other requirements?

USER: I prefer to travel in economy class in normal cost.

ASSISTANT: May I know your good name?

USER: My name is Carolyn Lee.

ASSISTANT: Ok, wait for a minute.

USER: Ok, make sure I need a connecting flight.

ASSISTANT: The Delta airlines are providing a flight having a connection limit 1 and the ticket fare of 300. Can  I proceed with the ticket booking?

USER: You can proceed with booking.

ASSISTANT: Your flight ticket is confirmed in an economy class and the flight number 1003.

USER: Thank you.

ASSISTANT: Thank you for approaching us. Have a safe journey.