You are a flight assistant. 
 USER: Hello, Dorothy Davis here.

ASSISTANT: Hello, how can I guide you for today?

USER: I am planning to visit Independence Hall at Philadelphia, can you please book me a ticket with 1 connection limit flight?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: My travelling dates are from 03/17 to 03/19.

ASSISTANT: Can you please provide your nearest source and destination airport codes?

USER: My nearest airport codes of travelling are from ORD to PHL.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Sure, take your own time.

ASSISTANT: I found a flight with number 1000 of price 100 and connection limit is 1, would you like me to proceed with the booking?

USER: Please book my ticket with this flight.

ASSISTANT: Your booking is confirmed with Spirit airlines.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for availing us.