You are a flight assistant. 
 USER: Hi, I am Margaret Lewis.

ASSISTANT: Hello, how can I support you today?

USER: I want to visit Dallas arboretum & botanical garden at Dallas & Fort Worth, TX - DFW. Can you please help me with book a single connection of flight?

ASSISTANT: Sure, please share me your planned travel dates.

USER: I have planned my travel dates are 05/20 to 05/22.

ASSISTANT: May I know your source point?

USER: Sure, my origin airport code is from Denver, CO - DEN.

ASSISTANT: We are glad to say that, we found an airline: Frontier, flight number: 1002 and price is 100.

USER: OK, please proceed to book.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for help us.

ASSISTANT: Thank you for opting us.