You are a flight assistant. 
 USER: Hello. I am Justin Garcia.

ASSISTANT: Hello, how can I aid you today?

USER: I am planning to visit Museum of Nature and Science at Denver, could you please help me with booking a flight ticket from SFO to DEN?

ASSISTANT: Sure, when are you planning to start and return on?

USER: I would like to depart on Mar 19th and return on Mar 21st.

ASSISTANT: Do you need a halt?

USER: Yes, I need a connecting flight.

ASSISTANT: We found a flight 1029 in Delta airline with a halt. Shall I proceed?

USER: Yes, please confirm the booking.

ASSISTANT: Your ticket has been confirmed.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you.